ProbonoSEO Basic Security & Risk Analysis

wordpress.org/plugins/probonoseo-basic

Japanese-optimized SEO that works the moment you activate it. No setup, no data collection, AI-search ready. Free, one-time — made in Japan.

0 active installs v1.6.6 PHP 7.4+ WP 6.0+ Updated Jun 26, 2026
breadcrumbsjapanjapaneseschemaseo
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is ProbonoSEO Basic Safe to Use in 2026?

Generally Safe

Score 100/100

ProbonoSEO Basic has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 2mo ago
Risk Assessment

The probonoseo-basic plugin v1.5.5 demonstrates a strong security posture based on the provided static analysis and vulnerability history. The code exhibits excellent security practices, with all identified entry points (AJAX handlers and shortcodes) appearing to have proper authentication and capability checks. Furthermore, the high percentage of properly escaped outputs and the use of prepared statements for SQL queries suggest a developer who is mindful of common web vulnerabilities. The complete absence of known CVEs, critical taint flows, dangerous functions, file operations, and external HTTP requests further solidifies this positive assessment. The plugin shows no history of vulnerabilities, which is an encouraging sign of ongoing security diligence. The plugin's strengths lie in its robust implementation of security checks at its entry points and its clean code, devoid of common dangerous patterns. The only potential area for minor concern is the existence of any unprotected entry points, though in this analysis, none were found.

Vulnerabilities
None known

ProbonoSEO Basic Security Vulnerabilities

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

ProbonoSEO Basic Release Timeline

v1.6.6Current
v1.6.5
v1.6.4
v1.6.3
v1.6.2
v1.6.1
v1.6.0
v1.5.9
v1.5.8
v1.5.7
v1.5.6
v1.5.5
v1.5.4
v1.5.3
v1.5.2
Code Analysis
Analyzed Mar 17, 2026

ProbonoSEO Basic Code Analysis

Dangerous Functions
0
Raw SQL Queries
2
4 prepared
Unescaped Output
2
77 escaped
Nonce Checks
7
Capability Checks
7
File Operations
0
External Requests
0
Bundled Libraries
0

SQL Query Safety

67% prepared6 total queries

Output Escaping

97% escaped79 total outputs
Data Flows · Security
All sanitized

Data Flow Analysis

1 flows
<admin-page> (admin\admin-page.php:0)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

ProbonoSEO Basic Attack Surface

Entry Points5
Unprotected0

AJAX Handlers 4

authwp_ajax_probonoseo_load_seo_metaadmin\metabox-seo.php:18
authwp_ajax_probonoseo_save_seo_meta_ajaxadmin\metabox-seo.php:19
authwp_ajax_probonoseo_diagnosisprobonoseo.php:98
authwp_ajax_probonoseo_export_settingsprobonoseo.php:132

Shortcodes 1

[probonoseo_breadcrumb] seo\breadcrumb.php:17
WordPress Hooks 42
actionadmin_enqueue_scriptsadmin\metabox-seo.php:16
actionsave_postadmin\metabox-seo.php:17
actionadmin_enqueue_scriptsprobonoseo.php:51
actionadmin_menuprobonoseo.php:64
actionadmin_noticesseo\article-seo.php:21
actionsave_postseo\article-seo.php:22
actionedit_form_after_titleseo\article-seo.php:23
actioninitseo\article-seo.php:290
filterwpseo_json_ld_outputseo\breadcrumb-schema-cleaner.php:6
filterrank_math/json_ldseo\breadcrumb-schema-cleaner.php:7
actionwp_headseo\breadcrumb-schema.php:6
actioninitseo\breadcrumb.php:180
actionwp_headseo\canonical.php:22
actioninitseo\canonical.php:195
actioninitseo\diagnosis.php:286
filterthe_contentseo\internal-links.php:22
filterthe_contentseo\internal-links.php:26
filterthe_contentseo\internal-links.php:30
actioninitseo\internal-links.php:220
actionwp_headseo\meta.php:24
actioninitseo\meta.php:382
actionwp_headseo\ogp.php:22
actioninitseo\ogp.php:267
actiontransition_post_statusseo\prepublish-safety.php:6
actionwp_headseo\schema.php:22
actioninitseo\schema.php:279
actioninitseo\seo-core.php:6
filterthe_contentseo\speed.php:22
filterpost_thumbnail_htmlseo\speed.php:23
filterthe_contentseo\speed.php:27
filterstyle_loader_tagseo\speed.php:31
filterscript_loader_tagseo\speed.php:35
actionwp_enqueue_scriptsseo\speed.php:39
actionwp_headseo\speed.php:40
filtertiny_mce_pluginsseo\speed.php:130
filterwp_resource_hintsseo\speed.php:131
actioninitseo\speed.php:154
filterpre_get_document_titleseo\title.php:20
filterwp_titleseo\title.php:21
actioninitseo\title.php:352
actionwp_headseo\twitter-card.php:22
actioninitseo\twitter-card.php:114
Maintenance & Trust

ProbonoSEO Basic Maintenance & Trust

Maintenance Signals

WordPress version tested7.0.2
Last updatedJun 26, 2026
PHP min version7.4
Downloads1K

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

ProbonoSEO Basic Developer Profile

probonodesign

3 plugins · 0 total installs

94
trust score
Avg Security Score
100/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect ProbonoSEO Basic

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/probonoseo-basic/admin/admin-style.css/wp-content/plugins/probonoseo-basic/admin/switch.css/wp-content/plugins/probonoseo-basic/admin/tabs.css/wp-content/plugins/probonoseo-basic/admin/admin-switch.js/wp-content/plugins/probonoseo-basic/admin/gutenberg-sidebar-seo.css/wp-content/plugins/probonoseo-basic/admin/gutenberg-sidebar-seo.js
Script Paths
/wp-content/plugins/probonoseo-basic/admin/admin-switch.js/wp-content/plugins/probonoseo-basic/admin/gutenberg-sidebar-seo.js
Version Parameters
probonoseo-basic/admin/admin-style.css?ver=probonoseo-basic/admin/switch.css?ver=probonoseo-basic/admin/tabs.css?ver=probonoseo-basic/admin/admin-switch.js?ver=probonoseo-basic/admin/gutenberg-sidebar-seo.css?ver=probonoseo-basic/admin/gutenberg-sidebar-seo.js?ver=

HTML / DOM Fingerprints

CSS Classes
probonoseo-seo-sidebar
Data Attributes
data-nonce-ajax-save-seo-metadata-nonce-ajax-load-seo-meta
JS Globals
probonoseo_params
REST Endpoints
/wp-json/probonoseo/v1/meta/save/wp-json/probonoseo/v1/meta/load
FAQ

Frequently Asked Questions about ProbonoSEO Basic