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

Missing Authorization
CVE CVE-2025-11378
CVSS Medium (5.4)
Publicly Published October 17, 2025
Last Updated October 18, 2025
Researcher Dmitrii Ignatyev
Description

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.

References

1 affected software package

Software Type Plugin
Software Slug shortpixel-image-optimiser (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 6.3.4
Patched Version
  • 6.3.5
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