Henkan – WebP & AVIF Converter Security & Risk Analysis

wordpress.org/plugins/henkan-webp-avif-converter

Henkan is a high-performance plugin that automatically converts your media library images to next-generation formats like WebP and AVIF.

0 active installs v2.1.1 PHP 7.4+ WP 6.0+ Updated Mar 23, 2026
avifconverterimage-optimizationpagespeedwebp
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
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Safety Verdict

Is Henkan – WebP & AVIF Converter Safe to Use in 2026?

Generally Safe

Score 100/100

Henkan – WebP & AVIF Converter has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1mo ago
Risk Assessment

The "henkan-webp-avif-converter" v2.1.1 plugin demonstrates a generally strong security posture with robust use of prepared statements for SQL queries and proper output escaping, indicating good development practices in these critical areas. The absence of any recorded vulnerabilities (CVEs) in its history further supports this positive outlook, suggesting a stable and well-maintained codebase. However, the presence of 10 instances of the `exec` function, while not directly flagged as a vulnerability in static or taint analysis, represents a potential area of concern. The `exec` function can be dangerous if user-supplied data is not strictly sanitized before being passed to it, potentially leading to command injection vulnerabilities. The plugin's limited attack surface, consisting of 3 AJAX handlers, and the fact that all entry points appear to have authorization checks, are positive indicators. Despite the promising absence of known vulnerabilities and good implementation of core security features, the reliance on `exec` warrants careful monitoring and review of its usage to ensure it's not a hidden risk.

Key Concerns

  • Use of dangerous function 'exec'
Vulnerabilities
None known

Henkan – WebP & AVIF Converter Security Vulnerabilities

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

Henkan – WebP & AVIF Converter Release Timeline

v2.1.1Current
v2.1.0
v2.0.4
v2.0.3
Code Analysis
Analyzed Apr 16, 2026

Henkan – WebP & AVIF Converter Code Analysis

Dangerous Functions
10
Raw SQL Queries
0
2 prepared
Unescaped Output
0
106 escaped
Nonce Checks
2
Capability Checks
5
File Operations
2
External Requests
0
Bundled Libraries
0

Dangerous Functions Found

exec@exec( 'cwebp -version', $o, $rv );includes/process.php:150
exec@exec( $cmd, $out, $ret );includes/process.php:153
exec@exec( 'avifenc --version', $o, $rv );includes/process.php:190
exec@exec( $cmd, $out, $ret );includes/process.php:194
exec@exec( 'magick -version', $o2, $rv2 );includes/process.php:201
exec@exec( $cmd, $out2, $ret2 );includes/process.php:204
exec@exec( 'cjxl --version', $o, $rv );includes/process.php:241
exec@exec( $cmd, $out, $ret );includes/process.php:244
exec@exec( 'magick -version', $o2, $rv2 );includes/process.php:251
exec@exec( $cmd, $out2, $ret2 );includes/process.php:254

SQL Query Safety

100% prepared2 total queries

Output Escaping

100% escaped106 total outputs
Attack Surface

Henkan – WebP & AVIF Converter Attack Surface

Entry Points3
Unprotected0

AJAX Handlers 3

authwp_ajax_henkan_scanincludes/ajax.php:4
authwp_ajax_henkan_convertincludes/ajax.php:5
authwp_ajax_henkan_clear_cacheincludes/ajax.php:6
WordPress Hooks 15
actionplugins_loadedhenkan-webp-avif-converter.php:57
actionadmin_enqueue_scriptshenkan-webp-avif-converter.php:80
filterupload_mimeshenkan-webp-avif-converter.php:114
filterext2typehenkan-webp-avif-converter.php:122
filterwp_check_filetype_and_exthenkan-webp-avif-converter.php:130
filterwp_prepare_attachment_for_jshenkan-webp-avif-converter.php:144
actionadmin_menuincludes/admin.php:4
actionadmin_initincludes/admin.php:14
filtermanage_media_columnsincludes/admin.php:26
actionmanage_media_custom_columnincludes/admin.php:32
actionwp_dashboard_setupincludes/admin.php:57
actionadmin_bar_menuincludes/admin.php:76
filterthe_contentincludes/frontend.php:4
filterwp_generate_attachment_metadataincludes/process.php:4
actiondelete_postincludes/process.php:332
Maintenance & Trust

Henkan – WebP & AVIF Converter Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedMar 23, 2026
PHP min version7.4
Downloads181

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

Henkan – WebP & AVIF Converter Developer Profile

saguya

1 plugin · 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 Henkan – WebP & AVIF Converter

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/henkan-webp-avif-converter/admin-style.css/wp-content/plugins/henkan-webp-avif-converter/admin-script.js
Script Paths
/wp-content/plugins/henkan-webp-avif-converter/admin-script.js
Version Parameters
henkan-webp-avif-converter/admin-style.css?ver=2.1.1henkan-webp-avif-converter/admin-script.js?ver=2.1.1

HTML / DOM Fingerprints

JS Globals
henkan_ajaxhenkan_ajax.ajax_urlhenkan_ajax.nonce_scanhenkan_ajax.nonce_converthenkan_ajax.batch_sizehenkan_ajax.i18n+6 more
FAQ

Frequently Asked Questions about Henkan – WebP & AVIF Converter