CVE-2026-39471 WordPress ShortPixel Image Optimizer plugin <= 6.4.3 - PHP Object Injection vulnerability

Author PHP Object Injection in ShortPixel Image Optimizer = 6.4.3 versions...

PT-2026-28195

The ShortPixel Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the attachment post title in all versions up to, and including, 6.4.3. This is due to insufficient output escaping in the getEditorPopup function and its corresponding media-popup.php template...

CVE-2025-11378 ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export

The ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'shortpixelajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for...