HTML Purified Security & Risk Analysis

wordpress.org/plugins/html-purified

HTML Purified replaces the default comments filters with the more secure HTML Purifier.

50 active installs v0.7 PHP + WP 2.9+ Updated May 5, 2012
commentssecurityspamxhtmlxss
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is HTML Purified Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 13yr ago
Risk Assessment

The 'html-purified' v0.7 plugin exhibits a generally strong security posture based on the provided static analysis. The absence of any attack surface points, such as AJAX handlers, REST API routes, shortcodes, or cron events, is a significant strength, indicating the plugin is not directly exposed to common web vulnerabilities. Furthermore, the complete reliance on prepared statements for all SQL queries and the lack of any recorded vulnerabilities or CVEs suggest a well-developed and secure codebase. This indicates diligent attention to secure coding practices in these critical areas.

However, the analysis does reveal some areas for improvement. The output escaping is only properly implemented for 50% of the identified outputs, which presents a potential risk of Cross-Site Scripting (XSS) vulnerabilities if untrusted data is displayed without adequate sanitization. While there are no reported vulnerabilities currently, this oversight in output handling warrants attention. The presence of file operations without further context is also a minor concern, as this could potentially be an attack vector if not handled securely, though the lack of taint flow analysis makes it impossible to confirm.

In conclusion, 'html-purified' v0.7 is commendably secure in its handling of direct web entry points and database interactions, and its history is clean. The primary area of concern is the inconsistent output escaping, which could lead to XSS vulnerabilities. Addressing this would further solidify its security.

Key Concerns

  • Output escaping only 50% properly
Vulnerabilities
None known

HTML Purified Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

HTML Purified Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
10
10 escaped
Nonce Checks
0
Capability Checks
2
File Operations
6
External Requests
0
Bundled Libraries
0

Output Escaping

50% escaped20 total outputs
Attack Surface

HTML Purified Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 20
actionadmin_menuhtml-purified.php:33
actionbb_admin_menu_generatorhtml-purified.php:34
actionbb_admin_headhtml-purified.php:35
actionbb_inithtml-purified.php:51
actioninithtml-purified.php:53
actionset_current_userhtml-purified.php:54
actionwp_footerhtml-purified.php:57
actionbb_foothtml-purified.php:58
filterpre_posthtml-purified.php:467
filterpre_posthtml-purified.php:470
filterpre_posthtml-purified.php:477
filterbb_allowed_tagshtml-purified.php:481
filterpre_comment_contenthtml-purified.php:511
filterpre_comment_contenthtml-purified.php:514
filterpre_comment_contenthtml-purified.php:520
filtertitle_save_prehtml-purified.php:521
filtercontent_save_prehtml-purified.php:525
filterexcerpt_save_prehtml-purified.php:526
filtercontent_filtered_save_prehtml-purified.php:527
actioninitplugin.php:139
Maintenance & Trust

HTML Purified Maintenance & Trust

Maintenance Signals

WordPress version tested3.3.2
Last updatedMay 5, 2012
PHP min version
Downloads18K

Community Trust

Rating0/100
Number of ratings0
Active installs50
Developer Profile

HTML Purified Developer Profile

John Godley

14 plugins · 2.1M total installs

70
trust score
Avg Security Score
87/100
Avg Patch Time
4069 days
View full developer profile
Detection Fingerprints

How We Detect HTML Purified

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/html-purified/css/admin.css/wp-content/plugins/html-purified/js/admin.js

HTML / DOM Fingerprints

CSS Classes
hp-admin-boxhp-admin-fieldhp-admin-field-label
HTML Comments
<!-- HTML Purifier Settings -->
Data Attributes
data-fordata-inputdata-output
JS Globals
html_purified_options
FAQ

Frequently Asked Questions about HTML Purified