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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.0 CRITICALCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 22.11% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Source
- contact@wpscan.com
EPSS moved from 22.6% on 1 October 2026 to 22.1% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.