What is CVE-2025-9501?

CVE-2025-9501 is a critical-severity vulnerability in W3 Total Cache, classified under CWE-78 OS COMMAND INJECTION. CVSS score: 9.0/10. Published 2025-11-17.

How severe is CVE-2025-9501?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2025-9501 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in W3 Total Cache

CVE-2025-9501

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.

EPSS: 0.205 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Unknown W3 Total Cache — versions 0

Public proof-of-concept exploits

InnerFireZ/CVE-2025_9501-POC

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-9501?: CVE-2025-9501 is a critical-severity vulnerability in W3 Total Cache, classified under CWE-78 OS COMMAND INJECTION. CVSS score: 9.0/10. Published 2025-11-17.
How severe is CVE-2025-9501?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2025-9501 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.