WP-Safety

MasterStudy LMS WordPress Plugin – for Online Courses and Education Security & Risk Analysis

wordpress.org/plugins/masterstudy-lms-learning-management-system

Learning Management System and eLearning plugin for WordPress. Create easily LMS WordPress website, add and sell Courses, Lessons, Quizzes online.

10K active installs v3.7.19 PHP 7.4+ WP 4.6+ Updated Mar 13, 2026
courseeducationelearninglearning-management-systemlms
76
B · Generally Safe
CVEs total24
Unpatched0
Last CVEFeb 13, 2026
Plugin page Download
Safety Verdict

Is MasterStudy LMS WordPress Plugin – for Online Courses and Education Safe to Use in 2026?

Mostly Safe

Score 76/100

MasterStudy LMS WordPress Plugin – for Online Courses and Education is generally safe to use. 24 past CVEs were resolved. Keep it updated.

24 known CVEsLast CVE: Feb 13, 2026Updated 21d ago
Risk Assessment

The MasterStudy LMS plugin exhibits a mixed security posture. While a significant percentage of SQL queries use prepared statements and a good portion of output is properly escaped, several concerning areas require attention. The high number of AJAX handlers without authentication checks (79 out of 110) presents a substantial attack surface. Furthermore, two REST API routes lack permission callbacks. The presence of "unserialize" as a dangerous function, coupled with two high-severity taint analysis flows with unsanitized paths, indicates potential vulnerabilities related to data deserialization and path traversal.

The plugin's historical vulnerability data is a significant concern. With 24 known CVEs, including 5 critical and 3 high-severity issues, and a recent vulnerability recorded in February 2026, there's a pattern of recurring security weaknesses. Common vulnerability types like race conditions, improper privilege management, CSRF, RFI, and SQL injection suggest persistent issues in how the plugin handles user input, authorization, and resource management. While there are currently no unpatched CVEs, the sheer volume and severity of past vulnerabilities suggest a need for rigorous and ongoing security audits and patching processes.

In conclusion, MasterStudy LMS has areas of strength in its code implementation, particularly regarding SQL preparedness and output escaping. However, the large, unprotected attack surface, concerning taint analysis flows, and a history of numerous critical and high-severity vulnerabilities significantly outweigh these positives. The plugin requires immediate attention to address its exposed entry points and to implement more robust authorization and sanitization mechanisms to prevent future exploitation.

Key Concerns

  • Large attack surface without auth (AJAX)
  • REST API routes without permission callbacks
  • Dangerous function 'unserialize' found
  • High severity taint flows with unsanitized paths
  • History of 5 critical CVEs
  • History of 3 high severity CVEs
  • Recent vulnerability (2026-02-13)
  • Common vulnerability: Race Condition
  • Common vulnerability: Improper Privilege Management
  • Common vulnerability: CSRF
  • Common vulnerability: PHP Remote File Inclusion
  • Common vulnerability: Incorrect Privilege Assignment
  • Common vulnerability: Missing Authorization
  • Common vulnerability: Exposure of Sensitive Information
  • Common vulnerability: SQL Injection
  • Common vulnerability: Cross-site Scripting
Vulnerabilities
24

MasterStudy LMS WordPress Plugin – for Online Courses and Education Security Vulnerabilities

CVEs by Year

1 CVE in 2022
2022
4 CVEs in 2023
2023
10 CVEs in 2024
2024
7 CVEs in 2025
2025
2 CVEs in 2026
2026
Patched Has unpatched

Severity Breakdown

Critical
5
High
3
Medium
16

24 total CVEs

CVE-2026-0559medium · 6.4Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.7.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'stm_lms_courses_grid_display' Shortcode

Feb 13, 2026 Patched in 3.7.12 (1d)
CVE-2025-13766medium · 5.4Missing Authorization

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.7.6 Missing Authorization to Authenticated (Subscriber+) Posts and Media Creation, Modification and Deletion

Jan 5, 2026 Patched in 3.7.7 (1d)
CVE-2025-64366medium · 6.5Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

MasterStudy LMS <= 3.6.27 - Authenticated (Instructor+) SQL Injection

Oct 23, 2025 Patched in 3.6.28 (13d)
CVE-2025-59575medium · 4.3Exposure of Sensitive Information to an Unauthorized Actor

MasterStudy LMS <= 3.6.20 - Authenticated (Instructor+) Sensitive Information Exposure

Oct 16, 2025 Patched in 3.6.21 (8d)
CVE-2025-59577medium · 4.3Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

MasterStudy LMS <= 3.6.20 - Authenticated (Subscriber+) Race Condition to Multiple Reviews

Sep 22, 2025 Patched in 3.6.21 (5d)
CVE-2025-59576medium · 4.3Missing Authorization

MasterStudy LMS <= 3.6.20 - Missing Authorization

Sep 22, 2025 Patched in 3.6.21 (5d)
CVE-2025-54744medium · 4.3Missing Authorization

MasterStudy LMS <= 3.6.15 - Missing Authorization

Sep 3, 2025 Patched in 3.6.16 (7d)
CVE-2025-32141high · 8.8Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

MasterStudy LMS <= 3.5.28 - Authenticated (Contributor+) Local File Inclusion

Apr 4, 2025 Patched in 3.5.29 (14d)
CVE-2025-32237medium · 4.3Missing Authorization

MasterStudy LMS <= 3.5.28 - Missing Authorization

Apr 4, 2025 Patched in 3.5.29 (14d)
CVE-2024-5973high · 7.3Improper Privilege Management

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.3.23 - Unauthenticated Limited Privilege Escalation to Instructor

Jul 1, 2024 Patched in 3.3.24 (40d)
CVE-2024-37094medium · 5.3Missing Authorization

MasterStudy LMS <= 3.2.12 - Missing Authorization

Jun 20, 2024 Patched in 3.2.13 (7d)
CVE-2024-37093medium · 4.3Cross-Site Request Forgery (CSRF)

MasterStudy LMS <= 3.2.1 - Cross-Site Request Forgery

Jun 20, 2024 Patched in 3.2.2 (7d)
CVE-2024-3942medium · 6.3Missing Authorization

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.3.8 - Missing Authorization

Apr 29, 2024 Patched in 3.3.9 (4d)
CVE-2024-3136critical · 9.8Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

MasterStudy LMS <= 3.3.3 - Unauthenticated Local File Inclusion via template

Apr 4, 2024 Patched in 3.3.4 (15d)
CVE-2024-2409critical · 9.8Incorrect Privilege Assignment

MasterStudy LMS <= 3.3.1 - Unauthenticated Privilege Escalation via stm_lms_register AJAX Action

Mar 28, 2024 Patched in 3.3.2 (1d)
CVE-2024-2411critical · 9.8Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

MasterStudy LMS <= 3.3.0 - Unauthenticated Local File Inclusion via modal

Mar 28, 2024 Patched in 3.3.1 (1d)
CVE-2024-1904medium · 4.3Missing Authorization

MasterStudy LMS <= 3.2.13 - Missing Authorization to Sensitive Information Exposure in search_posts

Mar 15, 2024 Patched in 3.3.0 (26d)
CVE-2024-2106medium · 5.3Exposure of Sensitive Information to an Unauthorized Actor

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.2.10 - Basic Information Exposure via REST route

Mar 6, 2024 Patched in 3.2.11 (148d)
CVE-2024-1512critical · 9.8Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.2.5 - Unauthenticated SQL Injection

Feb 16, 2024 Patched in 3.2.6 (1d)
CVE-2023-4278high · 7.3Improper Privilege Management

MasterStudy LMS <= 3.0.17 - Privilege Escalation

Aug 21, 2023 Patched in 3.0.18 (155d)
CVE-2023-35090medium · 6.4Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

MasterStudy LMS <= 3.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting

Jun 15, 2023 Patched in 3.0.9 (222d)
CVE-2023-35093medium · 4.3Missing Authorization

MasterStudy LMS <= 3.0.8 - Missing Authorization to Course Category Creation

Jun 15, 2023 Patched in 3.0.9 (222d)
WF-1ddcd2eb-fd7a-48b7-b9ea-3632d49e9734-masterstudy-lms-learning-management-systemmedium · 4.3Missing Authorization

MasterStudy LMS WordPress Plugin <= 2.9.34 - Missing Authorization via wp_ajax_stm_wpcfto_get_settings

Apr 3, 2023 Patched in 2.9.35 (295d)
CVE-2022-0441critical · 9.8Improper Privilege Management

MasterStudy LMS < 2.7.6 - Unauthenticated Admin Account Creation

Feb 1, 2022 Patched in 2.7.6 (721d)
Code Analysis
Analyzed Mar 16, 2026

MasterStudy LMS WordPress Plugin – for Online Courses and Education Code Analysis

Dangerous Functions
4
Raw SQL Queries
12
155 prepared
Unescaped Output
766
5539 escaped
Nonce Checks
84
Capability Checks
70
File Operations
48
External Requests
8
Bundled Libraries
3

Dangerous Functions Found

unserialize$meta_array[ $meta_name ] = is_serialized( $value[ $key ] ) ? unserialize( $value[ $key ] ) : $value_core\lms\classes\helpers.php:104
unserialize$marker['answers'] = unserialize( $marker['answers'] );_core\lms\classes\lesson.php:441
unserializereturn ($flip) ? array_flip(unserialize($meta)) : unserialize($meta);_core\lms\classes\models\StmOrder.php:112
unserializereturn ($flip) ? array_flip(unserialize($meta)) : unserialize($meta);_core\lms\classes\models\StmOrder.php:112

Bundled Libraries

TinyMCEDataTablesSelect2

SQL Query Safety

93% prepared167 total queries

Output Escaping

88% escaped6305 total outputs
Data Flows
6 unsanitized

Data Flow Analysis

20 flows6 with unsanitized paths
verify_user (_core\lms\classes\user.php:577)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface
81 unprotected

MasterStudy LMS WordPress Plugin – for Online Courses and Education Attack Surface

Entry Points132
Unprotected81

AJAX Handlers 110

authwp_ajax_ms_lms_courses_archive_filter_core\includes\elementor\helpers\ajax_actions.php:88
noprivwp_ajax_ms_lms_courses_archive_filter_core\includes\elementor\helpers\ajax_actions.php:89
authwp_ajax_ms_lms_courses_grid_sorting_core\includes\elementor\helpers\ajax_actions.php:195
noprivwp_ajax_ms_lms_courses_grid_sorting_core\includes\elementor\helpers\ajax_actions.php:196
authwp_ajax_ms_lms_courses_carousel_sorting_core\includes\elementor\helpers\ajax_actions.php:281
noprivwp_ajax_ms_lms_courses_carousel_sorting_core\includes\elementor\helpers\ajax_actions.php:282
authwp_ajax_ms_lms_blog_pagination_core\includes\elementor\helpers\ajax_actions.php:342
noprivwp_ajax_ms_lms_blog_pagination_core\includes\elementor\helpers\ajax_actions.php:343
authwp_ajax_stm_install_starter_theme_core\includes\starter-theme\classes\class-loader.php:51
authwp_ajax_stm_lms_dashboard_add_user_to_course_core\includes\user_manager\UserManager.AddUser.php:8
authwp_ajax_stm_lms_dashboard_get_course_students_core\includes\user_manager\UserManager.Course.php:8
authwp_ajax_stm_lms_dashboard_delete_user_from_course_core\includes\user_manager\UserManager.Course.php:9
authwp_ajax_stm_lms_dashboard_export_course_students_core\includes\user_manager\UserManager.Course.php:10
authwp_ajax_stm_lms_dashboard_get_courses_list_core\includes\user_manager\UserManager.Courses.php:8
authwp_ajax_stm_lms_dashboard_reset_student_progress_core\includes\user_manager\UserManager.CourseUser.php:12
authwp_ajax_stm_lms_dashboard_get_student_progress_core\includes\user_manager\UserManager.CourseUser.php:13
authwp_ajax_stm_lms_dashboard_set_student_item_progress_core\includes\user_manager\UserManager.CourseUser.php:14
authwp_ajax_stm_lms_dashboard_import_users_to_course_core\includes\user_manager\UserManager.ImportUsers.php:8
authwp_ajax_stm_lms_dashboard_get_student_assignments_core\includes\user_manager\UserManager.UserAssignments.php:8
authwp_ajax_stm_lms_dashboard_get_student_quizzes_core\includes\user_manager\UserManager.UserQuiz.php:8
authwp_ajax_stm_lms_dashboard_get_student_quiz_core\includes\user_manager\UserManager.UserQuiz.php:9
authwp_ajax_stm_lms_wizard_save_settings_core\includes\wizard\main.php:24
authwp_ajax_stm_lms_wizard_save_business_type_core\includes\wizard\main.php:25
authwp_ajax_stm_lms_hide_announcement_core\lms\admin_helpers.php:124
authwp_ajax_stm_lms_add_bookmark_core\lms\classes\bookmarks.php:7
authwp_ajax_stm_lms_update_bookmark_core\lms\classes\bookmarks.php:8
authwp_ajax_stm_lms_remove_bookmark_core\lms\classes\bookmarks.php:9
authwp_ajax_stm_lms_add_to_cart_core\lms\classes\cart.php:16
noprivwp_ajax_stm_lms_add_to_cart_core\lms\classes\cart.php:17
authwp_ajax_stm_lms_delete_from_cart_core\lms\classes\cart.php:19
noprivwp_ajax_stm_lms_delete_from_cart_core\lms\classes\cart.php:20
authwp_ajax_stm_lms_purchase_core\lms\classes\cart.php:25
noprivwp_ajax_stm_lms_purchase_core\lms\classes\cart.php:26
authwp_ajax_stm_lms_send_message_core\lms\classes\chat.php:8
authwp_ajax_stm_lms_get_user_conversations_core\lms\classes\chat.php:9
authwp_ajax_stm_lms_get_user_messages_core\lms\classes\chat.php:10
authwp_ajax_stm_lms_clear_new_messages_core\lms\classes\chat.php:11
noprivwp_ajax_stm_lms_clear_new_messages_core\lms\classes\chat.php:12
authwp_ajax_stm_lms_add_comment_core\lms\classes\comments.php:7
authwp_ajax_stm_lms_get_comments_core\lms\classes\comments.php:8
noprivwp_ajax_stm_lms_add_to_cart_guest_core\lms\classes\guest_checkout.php:14
noprivwp_ajax_stm_lms_fast_login_core\lms\classes\guest_checkout.php:15
noprivwp_ajax_stm_lms_fast_register_core\lms\classes\guest_checkout.php:16
authwp_ajax_stm_lms_load_modal_core\lms\classes\helpers.php:10
noprivwp_ajax_stm_lms_load_modal_core\lms\classes\helpers.php:11
authwp_ajax_stm_lms_load_content_core\lms\classes\helpers.php:12
noprivwp_ajax_stm_lms_load_content_core\lms\classes\helpers.php:13
authwp_ajax_wpcfto_save_settings_core\lms\classes\helpers.php:14
authwp_ajax_masterstudy_lms_dark_mode_core\lms\classes\helpers.php:15
authwp_ajax_stm_lms_get_instructor_courses_core\lms\classes\instructors.php:11
authwp_ajax_stm_lms_change_lms_author_core\lms\classes\instructors.php:24
authwp_ajax_stm_lms_add_student_manually_core\lms\classes\instructors.php:28
authwp_ajax_stm_lms_change_course_status_core\lms\classes\instructors.php:30
authwp_ajax_stm_lms_get_users_submissions_core\lms\classes\instructors.php:32
authwp_ajax_stm_lms_update_user_status_core\lms\classes\instructors.php:34
authwp_ajax_stm_lms_ban_user_core\lms\classes\instructors.php:36
authwp_ajax_stm_lms_toggle_user_ai_access_core\lms\classes\instructors.php:38
authwp_ajax_stm_lms_toggle_users_ai_access_core\lms\classes\instructors.php:40
authwp_ajax_stm_lms_get_enterprise_groups_core\lms\classes\instructors.php:52
authwp_ajax_stm_lms_complete_lesson_core\lms\classes\lesson.php:13
noprivwp_ajax_stm_lms_complete_lesson_core\lms\classes\lesson.php:14
authwp_ajax_stm_lms_total_progress_core\lms\classes\lesson.php:15
authwp_ajax_stm_lms_answer_video_lesson_core\lms\classes\lesson.php:16
authwp_ajax_stm_lms_get_order_info_core\lms\classes\order.php:28
authwp_ajax_stm_lms_save_order_core\lms\classes\order.php:30
authwp_ajax_stm_lms_get_user_orders_core\lms\classes\order.php:32
authwp_ajax_get_pagination_core\lms\classes\order.php:40
noprivwp_ajax_get_pagination_core\lms\classes\order.php:41
authwp_ajax_stm_lms_start_quiz_core\lms\classes\quiz.php:11
noprivwp_ajax_stm_lms_start_quiz_core\lms\classes\quiz.php:12
authwp_ajax_stm_lms_user_answers_core\lms\classes\quiz.php:13
noprivwp_ajax_stm_lms_user_answers_core\lms\classes\quiz.php:14
authwp_ajax_stm_lms_add_h5p_result_core\lms\classes\quiz.php:15
noprivwp_ajax_stm_lms_add_h5p_result_core\lms\classes\quiz.php:16
authwp_ajax_stm_lms_get_reviews_core\lms\classes\reviews.php:15
noprivwp_ajax_stm_lms_get_reviews_core\lms\classes\reviews.php:16
authwp_ajax_stm_lms_add_review_core\lms\classes\reviews.php:18
noprivwp_ajax_stm_lms_add_review_core\lms\classes\reviews.php:19
authwp_ajax_stm_lms_use_membership_core\lms\classes\subscriptions.php:10
noprivwp_ajax_stm_lms_use_membership_core\lms\classes\subscriptions.php:11
authwp_ajax_stm_lms_change_featured_core\lms\classes\subscriptions.php:16
authwp_ajax_stm_lms_delete_course_subscription_core\lms\classes\subscriptions.php:18
authwp_ajax_stm_lms_get_course_cookie_redirect_core\lms\classes\subscriptions.php:20
noprivwp_ajax_stm_lms_get_course_cookie_redirect_core\lms\classes\subscriptions.php:21
authwp_ajax_stm_lms_toggle_buying_core\lms\classes\subscriptions.php:23
authwp_ajax_stm_lms_login_core\lms\classes\user.php:13
noprivwp_ajax_stm_lms_login_core\lms\classes\user.php:14
authwp_ajax_stm_lms_logout_core\lms\classes\user.php:15
authwp_ajax_stm_lms_register_core\lms\classes\user.php:17
noprivwp_ajax_stm_lms_register_core\lms\classes\user.php:18
authwp_ajax_stm_lms_become_instructor_core\lms\classes\user.php:20
authwp_ajax_stm_lms_enterprise_core\lms\classes\user.php:22
noprivwp_ajax_stm_lms_enterprise_core\lms\classes\user.php:23
authwp_ajax_stm_lms_get_user_courses_core\lms\classes\user.php:25
authwp_ajax_stm_lms_wishlist_core\lms\classes\user.php:27
authwp_ajax_stm_lms_user_wishlist_core\lms\classes\user.php:28
noprivwp_ajax_stm_lms_user_wishlist_core\lms\classes\user.php:29
authwp_ajax_stm_lms_save_user_info_core\lms\classes\user.php:42
authwp_ajax_stm_lms_lost_password_core\lms\classes\user.php:44
noprivwp_ajax_stm_lms_lost_password_core\lms\classes\user.php:45
authwp_ajax_stm_lms_change_avatar_core\lms\classes\user.php:47
authwp_ajax_stm_lms_delete_avatar_core\lms\classes\user.php:48
authwp_ajax_stm_lms_change_cover_core\lms\classes\user.php:50
authwp_ajax_stm_lms_delete_cover_core\lms\classes\user.php:51
authwp_ajax_stm_lms_hide_become_instructor_notice_core\lms\classes\user.php:53
authwp_ajax_stm_lms_restore_password_core\lms\classes\user.php:63
noprivwp_ajax_stm_lms_restore_password_core\lms\classes\user.php:64
authwp_ajax_stm_lms_send_test_email_ajax_core\settings\custom_fields\send_email\main.php:2
authwp_ajax_stm_lms_import_sample_data_core\settings\demo_import\main.php:24
authwp_ajax_stm_generate_pages_core\settings\page_generator\api\get.php:148

REST API Routes 10

GET/wp-json/stm-lms/v1/courses_core\lms\classes\course.php:66
POST/wp-json/lms/stm-lms/order/items_core\lms\route.php:8
POST/wp-json/lms/stm-lms-user/search_core\lms\route.php:27
GET/wp-json/lms/stm-lms-user/course-list_core\lms\route.php:53
POST/wp-json/lms/stm-lms-payout/settings_core\lms\route.php:89
POST/wp-json/lms/stm-lms-payout/payment/set_default_core\lms\route.php:108
POST/wp-json/lms/stm-lms-payout/pay-now_core\lms\route.php:127
POST/wp-json/lms/stm-lms-payout/pay-now/(?P<id>\d+)_core\lms\route.php:146
POST/wp-json/lms/stm-lms-payout/payed/(?P<id>\d+)_core\lms\route.php:165
POST/wp-json/lms/stm-lms-payout/paypal-email_core\lms\route.php:185

Shortcodes 12

[stm_lms_courses_grid_display] _core\includes\shortcodes\grid.php:46
[masterstudy_authorization_form] _core\includes\shortcodes\masterstudy_authorization.php:16
[masterstudy_instructor_registration] _core\includes\shortcodes\masterstudy_authorization.php:32
[masterstudy_membership_pricing] _core\includes\shortcodes\masterstudy_membership_pricing.php:2
[stm_courses_searchbox] _core\includes\shortcodes\stm_courses_searchbox.php:2
[stm_lms_courses_carousel] _core\includes\shortcodes\stm_lms_courses_carousel.php:2
[stm_lms_courses_categories] _core\includes\shortcodes\stm_lms_courses_categories.php:5
[stm_lms_courses_grid] _core\includes\shortcodes\stm_lms_courses_grid.php:2
[stm_lms_featured_teacher] _core\includes\shortcodes\stm_lms_featured_teacher.php:2
[stm_lms_instructors_carousel] _core\includes\shortcodes\stm_lms_instructors_carousel.php:2
[stm_lms_recent_courses] _core\includes\shortcodes\stm_lms_recent_courses.php:2
[stm_lms_single_course_carousel] _core\includes\shortcodes\stm_lms_single_course_carousel.php:2
WordPress Hooks 323
actioninitincludes\actions.php:9
actionrest_api_initincludes\actions.php:10
actionplugins_loadedincludes\actions.php:12
actiondelete_postincludes\actions.php:29
actiondp_duplicate_postincludes\actions.php:40
actionwpml_after_save_postincludes\actions.php:61
actionicl_make_duplicateincludes\actions.php:72
actionicl_pro_translation_completedincludes\actions.php:81
actioninitincludes\actions.php:150
actionadmin_menuincludes\actions.php:163
actionadmin_headincludes\actions.php:210
actionwoocommerce_order_status_completedincludes\actions.php:230
actionadmin_menuincludes\actions.php:279
actionmasterstudy_lms_course_player_register_assetsincludes\enqueue.php:49
filterwp_rest_search_handlersincludes\filters.php:4
filterrest_user_collection_paramsincludes\filters.php:6
filterrest_user_queryincludes\filters.php:15
filtermasterstudy_lms_lesson_video_sourcesincludes\filters.php:31
filterrest_prepare_userincludes\filters.php:65
filtermasterstudy_lms_map_api_dataincludes\filters.php:91
filterwp_kses_allowed_htmlincludes\filters.php:104
filterblock_categories_allincludes\filters.php:124
filterblock_categoriesincludes\filters.php:126
filtershould_load_separate_core_block_assetsincludes\filters.php:129
filterpre_get_document_titleincludes\filters.php:148
filterload_textdomain_mofileincludes\filters.php:158
filterstm_lms_courses_pageincludes\filters.php:164
filterstm_lms_instructors_pageincludes\filters.php:170
filterpmpro_pages_custom_template_pathincludes\filters.php:177
filterstm_lms_filter_email_dataincludes\filters.php:211
actionexport_wpincludes\Hooks\export_import.php:9
actionimport_endincludes\Hooks\export_import.php:105
actionstm_lms_course_taxonomy_add_form_fieldsincludes\Plugin\Taxonomy.php:19
actionstm_lms_course_taxonomy_edit_form_fieldsincludes\Plugin\Taxonomy.php:20
actioncreate_stm_lms_course_taxonomyincludes\Plugin\Taxonomy.php:21
actionedited_stm_lms_course_taxonomyincludes\Plugin\Taxonomy.php:22
actionpre_get_termsincludes\Plugin\Taxonomy.php:39
filterterm_linkincludes\Plugin\Taxonomy.php:55
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actionmanage_pages_custom_column_core\includes\elementor\helpers\helpers.php:74
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actionelementor/init_core\includes\elementor\StmLmsElementor.php:79
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actionelementor/elements/categories_registered_core\includes\elementor\StmLmsElementor.php:86
actionelementor/editor/before_enqueue_scripts_core\includes\elementor\StmLmsElementor.php:87
actionelementor/editor/before_enqueue_styles_core\includes\elementor\StmLmsElementor.php:88
actionelementor/preview/enqueue_styles_core\includes\elementor\StmLmsElementor.php:89
actionelementor/editor/after_enqueue_styles_core\includes\elementor\StmLmsElementor.php:90
actionelementor/preview/enqueue_scripts_core\includes\elementor\StmLmsElementor.php:91
actionelementor/document/before_save_core\includes\elementor\StmLmsElementor.php:92
actioninit_core\includes\post_type\posts.php:11
actioninit_core\includes\post_type\taxonomies.php:10
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filtermanage_edit-stm_lms_question_taxonomy_sortable_columns_core\includes\post_type\taxonomies.php:12
filtermanage_edit-stm_lms_course_taxonomy_columns_core\includes\post_type\taxonomies.php:13
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filtermanage_stm_lms_question_taxonomy_custom_column_core\includes\post_type\taxonomies.php:15
filtermanage_stm_lms_course_taxonomy_custom_column_core\includes\post_type\taxonomies.php:16
filteradmin_body_class_core\includes\starter-theme\classes\class-loader.php:49
filteradmin_menu_core\includes\starter-theme\classes\class-loader.php:50
actionadmin_menu_core\includes\user_manager\UserManager.Interface.php:9
actionwp_enqueue_scripts_core\includes\user_manager\UserManager.Interface.php:11
actionadmin_enqueue_scripts_core\includes\user_manager\UserManager.Interface.php:12
actionadmin_footer_core\includes\user_manager\UserManager.Interface.php:14
actionwp_footer_core\includes\user_manager\UserManager.Interface.php:15
actionvc_after_init_core\includes\visual_composer\modules\masterstudy_authorization_form.php:3
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actionvc_after_init_core\includes\visual_composer\modules\stm_lms_courses_carousel.php:3
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_courses_categories.php:3
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_courses_grid.php:3
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_featured_teacher.php:3
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actionvc_after_init_core\includes\visual_composer\modules\stm_lms_instructors_carousel.php:3
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_membership_levels.php:2
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_recent_courses.php:3
actionvc_after_init_core\includes\visual_composer\modules\stm_lms_single_course_carousel.php:3
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actionadmin_enqueue_scripts_core\includes\wizard\main.php:22
actionadmin_init_core\includes\wizard\main.php:27
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actionenqueue_block_assets_core\lms\admin_helpers.php:58
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actiondelete_user_core\lms\admin_helpers.php:165
actionstm_admin_notice_rate_masterstudy-lms-learning-management-system_single_core\lms\admin_helpers.php:182
filteradmin_url_core\lms\admin_helpers.php:195
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actionstm_lms_before_user_header_core\lms\classes\buddypress.php:10
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filterbp_get_displayed_user_nav_activity_core\lms\classes\buddypress.php:14
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filterbp_pre_user_query_construct_core\lms\classes\buddypress.php:18
actionms_remove_mce_buttons_core\lms\classes\buddypress.php:20
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actioninit_core\lms\classes\cart.php:22
actiontemplate_redirect_core\lms\classes\cart.php:23
actionmasterstudy_lms_course_price_updated_core\lms\classes\cart.php:27
actionmanage_comments_custom_column_core\lms\classes\comments.php:9
actionmanage_edit-comments_columns_core\lms\classes\comments.php:10
actioninit_core\lms\classes\compats\enfold.php:11
filterstm_lms_lesson_html_classes_core\lms\classes\compats\enfold.php:13
actionrest_api_init_core\lms\classes\course.php:12
actionstm_lms_archive_card_price_core\lms\classes\course.php:14
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filterstm_lms_global/price_core\lms\classes\course.php:18
actionstm_lms_courses_have_posts_core\lms\classes\course.php:20
filterstm_lms_course_tabs_core\lms\classes\course.php:22
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actionstm_lms_before_item_template_start_core\lms\classes\course.php:26
filterstm_lms_course_tabs_core\lms\classes\course.php:732
filterstm_lms_archive_filter_args_core\lms\classes\courses.php:10
actionwp_trash_post_core\lms\classes\courses.php:11
filterstm_lms_filter_courses_core\lms\classes\courses.php:12
filterstm_lms_buy_button_auth_core\lms\classes\guest_checkout.php:12
filterwp_mail_content_type_core\lms\classes\helpers.php:562
filterwp_mail_from_core\lms\classes\helpers.php:578
filtermap_meta_cap_core\lms\classes\instructors.php:9
filtermanage_stm-courses_posts_columns_core\lms\classes\instructors.php:13
actionmanage_stm-courses_posts_custom_column_core\lms\classes\instructors.php:14
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filtermanage_stm-quizzes_posts_columns_core\lms\classes\instructors.php:19
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actionadmin_enqueue_scripts_core\lms\classes\instructors.php:22
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actionadmin_menu_core\lms\classes\instructors.php:44
filterajax_query_attachments_args_core\lms\classes\instructors.php:46
filterwp_insert_post_data_core\lms\classes\instructors.php:48
filtermap_meta_cap_core\lms\classes\instructors.php:364
actionmasterstudy_lms_order_completed_core\lms\classes\mails.php:7
actionadd_user_course_core\lms\classes\mails.php:8
actionmasterstudy_lms_course_saved_core\lms\classes\mails.php:9
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filterwp_mail_content_type_core\lms\classes\mails.php:144
filterwp_mail_content_type_core\lms\classes\mails.php:187
filterwp_mail_content_type_core\lms\classes\mails.php:384
filterwp_mail_from_core\lms\classes\mails.php:399
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actionwp_print_scripts_core\lms\classes\models\admin\StmStatisticsListTable.php:25
filtercron_schedules_core\lms\classes\models\StmCron.php:7
actionstm_listing_cron_core\lms\classes\models\StmCron.php:11
filterstm_lms_post_types_array_core\lms\classes\models\StmLmsPayout.php:98
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actionmanage_stm-payout_posts_custom_column_core\lms\classes\models\StmLmsPayout.php:105
actionorder_created_core\lms\classes\models\StmOrderItems.php:32
actionwoocommerce_checkout_update_order_meta_core\lms\classes\models\StmOrderItems.php:33
actionwoocommerce_store_api_checkout_update_order_meta_core\lms\classes\models\StmOrderItems.php:39
actionwpcfto_screen_stm_lms_settings_added_core\lms\classes\models\StmStatistics.php:13
actiontemplate_redirect_core\lms\classes\order.php:13
actionsave_post_core\lms\classes\order.php:34
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actionmanage_stm-orders_posts_custom_column_core\lms\classes\order.php:38
actionwoocommerce_loaded_core\lms\classes\order.php:43
filterwoocommerce_get_order_item_classname_core\lms\classes\order.php:51
filterwoocommerce_data_stores_core\lms\classes\order.php:53
filterwoocommerce_hidden_order_itemmeta_core\lms\classes\order.php:55
actionstm_lms_pages_generated_core\lms\classes\page_routes.php:24
actionwpcfto_settings_saved_core\lms\classes\page_routes.php:25
actionpermalink_structure_changed_core\lms\classes\page_routes.php:26
actionpll_add_language_core\lms\classes\page_routes.php:27
actionsave_post_core\lms\classes\page_routes.php:29
actioninit_core\lms\classes\page_routes.php:31
actiontemplate_redirect_core\lms\classes\page_routes.php:33
filterwpml_active_languages_core\lms\classes\page_routes.php:35
filterpll_translation_url_core\lms\classes\page_routes.php:37
filterwpml_ls_language_url_core\lms\classes\page_routes.php:39
filterthe_content_core\lms\classes\page_routes.php:71
filterthe_content_core\lms\classes\page_routes.php:458
filtertemplate_include_core\lms\classes\page_routes.php:627
actionsave_post_core\lms\classes\reviews.php:12
actionbefore_delete_post_core\lms\classes\reviews.php:13
actionadmin_menu_core\lms\classes\students.php:7
filterstm_lms_menu_items_core\lms\classes\students.php:9
actionpmpro_membership_level_after_other_settings_core\lms\classes\subscriptions.php:7
actionpmpro_save_membership_level_core\lms\classes\subscriptions.php:8
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actionpmpro_before_change_membership_level_core\lms\classes\subscriptions.php:14
actionpmpro_invoice_bullets_top_core\lms\classes\subscriptions.php:25
filterpmpro_confirmation_message_core\lms\classes\subscriptions.php:37
filtermasterstudy_membership_modal_data_core\lms\classes\subscriptions.php:46
filterthe_content_core\lms\classes\templates.php:11
filterthe_content_core\lms\classes\templates.php:12
filtersingle_template_core\lms\classes\templates.php:13
actionstm-lms-content-stm-courses_core\lms\classes\templates.php:14
actionstm-lms-content-stm-course-bundles_core\lms\classes\templates.php:15
filtertaxonomy_template_core\lms\classes\templates.php:17
filterthe_content_core\lms\classes\templates.php:54
filterthe_content_core\lms\classes\templates.php:95
actionwsl_hook_process_login_before_wp_safe_redirect_core\lms\classes\user.php:31
actionwp_login_core\lms\classes\user.php:33
actionshow_user_profile_core\lms\classes\user.php:35
actionedit_user_profile_core\lms\classes\user.php:36
actionpersonal_options_update_core\lms\classes\user.php:38
actionedit_user_profile_update_core\lms\classes\user.php:39
actionuser_register_core\lms\classes\user.php:40
actionstm_lms_redirect_user_core\lms\classes\user.php:55
actioninit_core\lms\classes\user.php:58
actionafter_setup_theme_core\lms\classes\user.php:61
actionstm_lms_after_user_register_core\lms\classes\user.php:66
filterhidden_meta_boxes_core\lms\classes\user.php:68
actionmasterstudy_account_sidebar_core\lms\classes\user.php:70
actionmasterstudy_after_account_core\lms\classes\user.php:106
actionmasterstudy_before_account_core\lms\classes\user.php:122
actionwp_footer_core\lms\classes\user_menu.php:9
actionstm_lms_user_float_menu_before_core\lms\classes\user_menu.php:10
filterstm_lms_sorted_menu_core\lms\classes\user_menu.php:12
filterstm_lms_sorted_student_menu_core\lms\classes\user_menu.php:13
filterstm_lms_settings_menu_items_core\lms\classes\user_menu.php:14
filterstm_lms_float_menu_placed_items_core\lms\classes\user_menu.php:15
filterwoocommerce_is_purchasable_core\lms\classes\woocommerce\class-wc-product-cpt.php:13
actionwp_head_core\lms\enqueue.php:30
actionadmin_head_core\lms\enqueue.php:31
actionwp_enqueue_scripts_core\lms\enqueue.php:555
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actionwp_enqueue_scripts_core\lms\enqueue.php:557
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actionadmin_enqueue_scripts_core\lms\enqueue.php:559
actionadmin_head_core\lms\enqueue.php:561
actionwp_head_core\lms\enqueue.php:562
actioninit_core\lms\generate_styles.php:8
filterthe_permalink_core\lms\helpers.php:53
actionafter_setup_theme_core\lms\helpers.php:194
actionadmin_init_core\lms\helpers.php:207
filtervc_iconpicker-type-fontawesome_core\lms\helpers.php:299
filterbody_class_core\lms\helpers.php:331
actiontemplate_redirect_core\lms\helpers.php:341
filterwpml_active_languages_core\lms\helpers.php:501
actionadmin_init_core\lms\helpers.php:731
filteradmin_footer_core\lms\helpers.php:971
actionmetabox_field_nuxy_notification_core\lms\helpers.php:983
actionrestrict_manage_posts_core\lms\helpers.php:1035
filterms_plugin_presto_player_posts_core\lms\helpers.php:1066
filterms_plugin_presto_player_allowed_core\lms\helpers.php:1098
filterms_plugin_video_sources_core\lms\helpers.php:1156
filterms_plugin_get_youtube_idx_core\lms\helpers.php:1177
filterms_plugin_get_default_value_core\lms\helpers.php:1206
actionwp_head_core\lms\helpers.php:1418
actionadmin_head_core\lms\helpers.php:1419
actionwp_footer_core\lms\helpers.php:1456
filterinstall_plugins_tabs_core\lms\helpers.php:1479
actioninstall_plugins_pre_masterstudy_addons_core\lms\helpers.php:1490
actionadmin_bar_menu_core\lms\helpers.php:1552
actionadmin_bar_menu_core\lms\helpers.php:1570
actionwp_head_core\lms\helpers.php:1603
actionadmin_footer_core\lms\helpers.php:1625
actionadmin_init_core\lms\init.php:6
actionrest_api_init_core\lms\route.php:5
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actionrest_api_init_core\lms\route.php:50
actionrest_api_init_core\lms\route.php:86
actionrest_api_init_core\lms\route.php:105
actionrest_api_init_core\lms\route.php:124
actionrest_api_init_core\lms\route.php:143
actionrest_api_init_core\lms\route.php:162
actionrest_api_init_core\lms\route.php:182
actionwidgets_init_core\lms\widgets\main.php:28
actionwidgets_init_core\lms\widgets\popular.widget.php:197
filterstm_wpcfto_term_meta_fields_core\settings\course_taxonomy.php:3
filterwpcfto_field_button-links_core\settings\custom_fields\button-links\main.php:2
filterwpcfto_field_course_templates_core\settings\custom_fields\course_templates\main.php:2
filterwpcfto_field_grades_table_core\settings\custom_fields\grades_table\main.php:2
filterwpcfto_field_search-select_core\settings\custom_fields\search-select\main.php:2
filterwp_mail_content_type_core\settings\custom_fields\send_email\main.php:99
filterwp_mail_from_core\settings\custom_fields\send_email\main.php:101
filterwpcfto_field_send_email_core\settings\custom_fields\send_email\main.php:120
filterwpcfto_field_taxes_core\settings\custom_fields\taxes\main.php:2
filterwpcfto_field_demo_import_core\settings\demo_import\main.php:17
actionstm_masterstudy_importer_done_core\settings\demo_import\main.php:230
filterimport_post_meta_key_core\settings\demo_import\wordpress-importer\class-stm-wp-import-base.php:78
filterhttp_request_timeout_core\settings\demo_import\wordpress-importer\class-stm-wp-import-base.php:79
filterstm_wp_import_post_meta_core\settings\demo_import\wordpress-importer\filters.php:6
filterstm_wp_import_attachment_url_core\settings\demo_import\wordpress-importer\filters.php:31
actionstm_wp_import_before_fetch_attachment_core\settings\demo_import\wordpress-importer\filters.php:111
actionstm_wp_import_after_insert_attachment_core\settings\demo_import\wordpress-importer\filters.php:126
actionstm_import_post_meta_core\settings\demo_import\wordpress-importer\filters.php:137
actionstm_wp_import_update_nav_menu_core\settings\demo_import\wordpress-importer\filters.php:153
actionadmin_init_core\settings\demo_import\wordpress-importer\wordpress-importer.php:55
filterstm_wpcfto_boxes_core\settings\lms_metaboxes.php:3
filterstm_wpcfto_fields_core\settings\lms_metaboxes.php:22
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filterwpcfto_field_pro_banner_core\settings\lms_wpcfto_helpers.php:9
filterwpcfto_iconpicker_sets_core\settings\lms_wpcfto_helpers.php:16
filterstm_wpcfto_single_field_classes_core\settings\lms_wpcfto_helpers.php:18
actionstm_wpcfto_single_field_before_start_core\settings\lms_wpcfto_helpers.php:20
filterstm_wpcfto_autocomplete_review_user_core\settings\lms_wpcfto_helpers.php:22
filterwpcfto_all_users_label_core\settings\lms_wpcfto_helpers.php:24
filterwpcfto_file_error_label_core\settings\lms_wpcfto_helpers.php:31
filterwpcfto_empty_file_error_label_core\settings\lms_wpcfto_helpers.php:38
filterwpcfto_file_error_ext_label_core\settings\lms_wpcfto_helpers.php:45
filterwpcfto_options_page_setup_core\settings\main_settings.php:7
actionwpcfto_screen_stm_lms_settings_added_core\settings\main_settings.php:47
actionadmin_menu_core\settings\main_settings.php:132
actionadmin_menu_core\settings\main_settings.php:150
actionadmin_menu_core\settings\main_settings.php:182
filteradmin_body_class_core\settings\main_settings.php:193
actionadmin_footer_core\settings\main_settings.php:212
filterwpcfto_field_order_core\settings\order\main.php:2
filterdisplay_post_states_core\settings\page_generator\api\get.php:69
actionstm_masterstudy_importer_done_core\settings\page_generator\api\get.php:157
filterwpcfto_field_generate_page_core\settings\page_generator\main.php:5
filterwpcfto_field_payments_core\settings\payments\main.php:2
filterwpcfto_field_payout_core\settings\payout\main.php:2
filterwpcfto_field_stm_lms_shortcodes_core\settings\stm_lms_shortcodes\main.php:2
actionwp_head_core\stm-lms-templates\course-player.php:11

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Maintenance & Trust

MasterStudy LMS WordPress Plugin – for Online Courses and Education Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedMar 13, 2026
PHP min version7.4
Downloads1.8M

Community Trust

Rating90/100
Number of ratings471
Active installs10K
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Developer Profile

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Stylemix

8 plugins · 58K total installs

65
trust score
Avg Security Score
80/100
Avg Patch Time
297 days
View full developer profile
Detection Fingerprints

How We Detect MasterStudy LMS WordPress Plugin – for Online Courses and Education

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/masterstudy-lms-learning-management-system/assets/css/lms-elementor.css/wp-content/plugins/masterstudy-lms-learning-management-system/assets/js/elementor-widgets/helpers/add-overlay.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/js/elementor-widgets/helpers/unlock-banner.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/vendors/swiper-bundle.min.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/js/elementor-widgets/slider/slider-editor.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/vendors/select2.min.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/js/elementor-widgets/courses/courses-editor.js/wp-content/plugins/masterstudy-lms-learning-management-system/assets/js/elementor-widgets/countdown.js+2 more
Script Paths
assets/js/elementor-widgets/helpers/add-overlay.jsassets/js/elementor-widgets/helpers/unlock-banner.jsassets/vendors/swiper-bundle.min.jsassets/js/elementor-widgets/slider/slider-editor.jsassets/vendors/select2.min.jsassets/js/elementor-widgets/courses/courses-editor.js+3 more
Version Parameters
masterstudy-lms-learning-management-system/assets/css/lms-elementor.css?ver=masterstudy-lms-learning-management-system/assets/js/elementor-widgets/helpers/add-overlay.js?ver=masterstudy-lms-learning-management-system/assets/js/elementor-widgets/helpers/unlock-banner.js?ver=masterstudy-lms-learning-management-system/assets/vendors/swiper-bundle.min.js?ver=masterstudy-lms-learning-management-system/assets/js/elementor-widgets/slider/slider-editor.js?ver=masterstudy-lms-learning-management-system/assets/vendors/select2.min.js?ver=masterstudy-lms-learning-management-system/assets/js/elementor-widgets/courses/courses-editor.js?ver=masterstudy-lms-learning-management-system/assets/js/elementor-widgets/countdown.js?ver=masterstudy-lms-learning-management-system/assets/vendors/jquery.countdown.js?ver=masterstudy-lms-learning-management-system/assets/vendors/js.countdown.js?ver=

HTML / DOM Fingerprints

CSS Classes
stm_lms_courses_carouselstm_lms_courses_gridstm_lms_featured_teacherstm_lms_instructors_carouselstm_lms_recent_coursesstm_lms_certificate_checkerstm_lms_course_bundlesstm_lms_google_classroom+42 more
HTML Comments
<!-- MasterStudy LMS WordPress Plugin --><!-- MasterStudy LMS Pro tested up to: 4.8 -->
Data Attributes
masterstudy_elementor_course_template
JS Globals
stm_lms_add_overlay_change
FAQ

Frequently Asked Questions about MasterStudy LMS WordPress Plugin – for Online Courses and Education