CVE-2026-10195 FS Poster <= 8.0.1 - Authenticated (Subscriber+) Remote Code Execution via FFmpeg Path Setting
Authenticated attackers with subscriber access can execute arbitrary commands on the server via the FFmpeg path setting in the FS Poster WordPress 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-2026-10195?
CVE-2026-10195 is a high-severity command injection vulnerability in fs-code FS Poster - WordPress Social media Auto Poster & Scheduler [Facebook, Instagram, Twitter, Pinterest], published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The FS-Poster plugin for WordPress is vulnerable to Remote Code Execution in versions up to and including 8.0.1. This is due to insufficient input sanitization of the FFmpeg path parameter before passing it to the exec() function, combined with missing authorization checks on the REST API endpoints. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary commands on the underlying server.
Weakness: CWE-77
Which versions are affected by CVE-2026-10195?
How do I fix CVE-2026-10195?
No fix has been published for CVE-2026-10195 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-10195 being exploited?
There is no known exploitation of CVE-2026-10195 in the wild and no public exploit code.
Sources
Also known as GHSA-rh2h-qvw2-pj57.