Optin Comment Notifications Security & Risk Analysis

wordpress.org/plugins/optin-comment-notifications

Allows users to opt into receiving a notification email whenever a comment is made to the site.

60 active installs v1.4 PHP + WP 4.6+ Updated Mar 27, 2019
commentcommentingcommentsemailnotifications
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Optin Comment Notifications Safe to Use in 2026?

Generally Safe

Score 85/100

Optin Comment Notifications has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 7yr ago
Risk Assessment

Based on the provided static analysis and vulnerability history, the "optin-comment-notifications" plugin v1.4 exhibits a strong security posture. The lack of identified entry points, such as AJAX handlers, REST API routes, shortcodes, and cron events, significantly limits its attack surface. The code signals are also positive, with no dangerous functions, all SQL queries utilizing prepared statements, and all output being properly escaped. The absence of file operations and external HTTP requests further reduces potential risks. The presence of capability checks, even without explicit mention of nonce checks in the attack surface, suggests a level of input validation is in place.

The vulnerability history is also clear, with no known CVEs, unpatched vulnerabilities, or recorded common vulnerability types. This indicates a history of secure development or effective patching. The taint analysis showing zero flows with unsanitized paths further reinforces the low-risk profile of this plugin. In conclusion, the plugin demonstrates good security practices. While the absence of explicit nonce checks on entry points is noted, the overall low attack surface and positive code signals, combined with a clean vulnerability history, suggest a low risk of exploitation.

Key Concerns

  • No nonce checks found
  • No taint flows analyzed
Vulnerabilities
None known

Optin Comment Notifications Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

Optin Comment Notifications Release Timeline

v1.4Current
v1.3
v1.2
v1.1
v1.0
Code Analysis
Analyzed Mar 16, 2026

Optin Comment Notifications Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
0
5 escaped
Nonce Checks
0
Capability Checks
4
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

100% escaped5 total outputs
Attack Surface

Optin Comment Notifications Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 10
filteruser_has_capoptin-comment-notifications.php:137
filternotify_post_authoroptin-comment-notifications.php:140
filternotify_moderatoroptin-comment-notifications.php:141
filtercomment_notification_recipientsoptin-comment-notifications.php:144
filtercomment_moderation_recipientsoptin-comment-notifications.php:145
actionpersonal_optionsoptin-comment-notifications.php:148
actionpersonal_options_updateoptin-comment-notifications.php:151
actionedit_user_profile_updateoptin-comment-notifications.php:152
filteruser_has_capoptin-comment-notifications.php:181
actionplugins_loadedoptin-comment-notifications.php:371
Maintenance & Trust

Optin Comment Notifications Maintenance & Trust

Maintenance Signals

WordPress version tested5.1.22
Last updatedMar 27, 2019
PHP min version
Downloads4K

Community Trust

Rating100/100
Number of ratings3
Active installs60
Developer Profile

Optin Comment Notifications Developer Profile

Scott Reilly

63 plugins · 92K total installs

71
trust score
Avg Security Score
88/100
Avg Patch Time
374 days
View full developer profile
Detection Fingerprints

How We Detect Optin Comment Notifications

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

Asset Fingerprints

Version Parameters
optin-comment-notifications/css/optin-comment-notifications.css?ver=1.4optin-comment-notifications/js/optin-comment-notifications.js?ver=1.4

HTML / DOM Fingerprints

HTML Comments
<!-- Opt-in to comment notifications --><!-- End Opt-in to comment notifications --><!-- BEGIN c2c_Optin_Comment_Notifications::add_comment_notification_checkbox --><!-- END c2c_Optin_Comment_Notifications::add_comment_notification_checkbox -->
Data Attributes
data-c2c-optin-comment-notifications-user-id
JS Globals
c2c_optin_comment_notifications_user_idc2c_optin_comment_notifications_user_login
FAQ

Frequently Asked Questions about Optin Comment Notifications