CVE-2026-16985 Squeeze < 1.7.12 - Author+ Arbitrary File Upload
Authors can upload executable PHP files to achieve remote code execution due to missing file type validation in the Squeeze 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-2026-16985?
CVE-2026-16985 is a high-severity vulnerability in Unknown Squeeze, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Squeeze WordPress plugin before 1.7.12 does not validate the file type or extension of the per-size image data written by one of its attachment-update actions, allowing users with the upload_files capability (Author and above) to write an executable PHP file into the uploads directory and achieve remote code execution.
Weakness: CWE-434
Which versions are affected by CVE-2026-16985?
How do I fix CVE-2026-16985?
No fix has been published for CVE-2026-16985 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16985 being exploited?
There is no known exploitation of CVE-2026-16985 in the wild and no public exploit code.
Sources
Also known as GHSA-fwrm-w2w9-jm5f.