CVE-2025-11378
ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | shortpixel |
| Product | shortpixel image optimizer – optimize images, convert webp & avif |
| Published | Oct 18, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
shortpixel / ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
0 ≤ 6.3.4
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1f7e9eb5-e222-43fa-a14f-b9cbced6b8f5?source=cve research.cleantalk.org: https://research.cleantalk.org/CVE-2025-11378 github.com: https://github.com/short-pixel-optimizer/shortpixel-image-optimiser/commit/74263060acafbaf63b4a34f339a8b0dc35f2cad9 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3379473%40shortpixel-image-optimiser&new=3379473%40shortpixel-image-optimiser&sfp_email=&sfph_mail=
Credits
Dmitrii Ignatyev