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 'shortpixel_ajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to export and import site options.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Shortpixel Image Optimiser Plugin | — | Update shortpixel-image-optimiser plugin to version 6.3.5, or a newer patched version | Oct 21, 2025 | Oct 17, 2025 |
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