Vulnerability · Published Oct 18, 2025 · Assigned by Wordfence
CVE-2025-11378ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export
Medium 5.4
In plain English
A medium-severity missing authorization in ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF from shortpixel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| shortpixel | ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF | 0 – through 6.3.4 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1f7e9eb5-e222-43fa-a14f-b9cbced6b8f5?source=cve
- https://research.cleantalk.org/CVE-2025-11378
- https://github.com/short-pixel-optimizer/shortpixel-image-optimiser/commit/74263060acafbaf63b4a34f339a8b0dc35f2cad9
- 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=