PLUGIN SECURITY
Is Webp Express safe?
Known vulnerabilities, PHP compatibility and safer alternatives for the Webp Express WordPress plugin — checked against WP Clinic's local security database.
Plugin details
- Slug:
webp-express - Requires PHP: 5.6+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
- WebP Express [webp-express] < 0.14.11 [CVE-2019-15837, wpscan.com, WebP Express <= 0.14.10 - Authenticated Stored Cross-Site Scripting]
- WebP Express [webp-express] < 0.14.11 [CVE-2019-15330, wpscan.com, WebP Express < 0.14.11 - Arbitrary File Read]
- WebP Express [webp-express] < 0.14.8 [WordPress WebP Express plugin <= 0.14.4 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability]
- WebP Express [webp-express] < 0.14.1 [WordPress WebP Express plugin <= 0.14.0 - Cross-Site Request Forgery (CSRF) vulnerability]
- WebP Express [webp-express] < 0.25.11 [CVE-2025-11379, WebP Express <= 0.25.9 - Unauthenticated Information Exposure]
Vulnerabilities are matched against the exact installed version when it's known. Always keep the plugin updated to the latest release.
Safer / more established alternatives
- LiteSpeed Cache — 7000000+ active installs — max PHP 8.4
- Jetpack – WP Security, Backup, Speed, & Growth — 3000000+ active installs
- WP Super Cache — 1000000+ active installs — max PHP 8.4
- Speed Optimizer – The All-In-One Performance-Boosting Plugin — 1000000+ active installs — max PHP 8.4
- WP Fastest Cache – WordPress Cache Plugin — 1000000+ active installs — max PHP 8.4
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.