CVE-2025-13750 Missing authorization in Converter for Media – Optimize images | Convert WebP & AVIF
Authenticated subscribers can delete optimized image variants for arbitrary attachments due to missing capability checks in the REST API.
- 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-2025-13750?
CVE-2025-13750 is a medium-severity missing authorization vulnerability in mateuszgbiorczyk Converter for Media – Optimize images | Convert WebP & AVIF, published on 17 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `/webp-converter/v1/regenerate-attachment` REST endpoint in all versions up to, and including, 6.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete optimized WebP/AVIF variants for arbitrary attachments.
Weakness: CWE-862
Which versions are affected by CVE-2025-13750?
How do I fix CVE-2025-13750?
No fix has been published for CVE-2025-13750 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-2025-13750 being exploited?
There is no known exploitation of CVE-2025-13750 in the wild and no public exploit code.
Sources
Also known as GHSA-47g6-47gx-6mw7.