CVE-2025-11378
ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export
mediumMissing Authorization
5.4
CVSS Score
5.4
CVSS Score
medium
Severity
6.3.5
Patched in
1d
Time to patch
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.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NAttack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Low
Confidentiality
Low
Integrity
None
Availability
Technical Details
Affected versions
<=6.3.4PublishedOctober 17, 2025
Last updatedOctober 18, 2025
Affected pluginshortpixel-image-optimiser
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