CVE-2025-11378 ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export
Authenticated contributors can modify site options due to missing capability checks in the ShortPixel Image Optimizer plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11378?
CVE-2025-11378 is a medium-severity missing authorization vulnerability in ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF, published on 18 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-862
Which versions are affected by CVE-2025-11378?
How do I fix CVE-2025-11378?
No fix has been published for CVE-2025-11378 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-11378 being exploited?
There is no known exploitation of CVE-2025-11378 in the wild and no public exploit code.
Sources
Also known as GHSA-44j2-7x4f-pq34.