CVE-2026-5217

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...

WordPress Optimole plugin <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter vulnerability

Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter vulnerability discovered by Quốc Huy jtwings - Puramu in WordPress Plugin Optimole versions = 4.2.2...

EUVD-2026-21662

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...

CVE-2026-5217 Optimole <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...

CVE-2026-5217

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...

CVE-2026-5217 Optimole <= 4.2.2 - Unauthenticated Stored Cross-Site Scripting via Srcset Descriptor Parameter

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...

CVE-2026-5217

The CVE covers the WordPress plugin Optimole (versions up to 4.2.2). It is vulnerable to an unauthenticated stored XSS via the srcset descriptor parameter (s) in the REST endpoint /wp-json/optimole/v1/optimizations. Root cause: insufficient input sanitization and output escaping, where sanitize_t...

PT-2026-32091

The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's'...