CVE-2025-9501 W3 Total Cache < 2.8.13 - Unauthenticated Command Injection
Unauthenticated attackers can execute arbitrary PHP commands via malicious comments in the W3 Total Cache WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9501?
CVE-2025-9501 is a critical command injection vulnerability in Unknown W3 Total Cache, published on 17 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The W3 Total Cache WordPress plugin before 2.8.13 is vulnerable to command injection via the _parse_dynamic_mfunc function, allowing unauthenticated users to execute PHP commands by submitting a comment with a malicious payload to a post.
Which versions are affected by CVE-2025-9501?
How do I fix CVE-2025-9501?
No fix has been published for CVE-2025-9501 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-2025-9501 being exploited?
There is no known exploitation of CVE-2025-9501 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-wx46-pc78-pqhq.