CVE-2025-9501: unknown w3 total cache OS Command Injection
CVSS: 9.0v3.1CriticalDeferred
Published 17-11-2025Last modified 17-11-2025
Vulnerability summary
CVE-2025-9501 is a critical (CVSS 9.0) OS Command Injection vulnerability in unknown w3 total cache. EPSS estimates a 22.11% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.8.13.
CVSS score
9.0/10
010
Critical · v3.1 (CVE.org)EPSS score
22.11%
0%100%
High · +1.63 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 17-11-2025PublishedVulnerability first disclosed.
- 17-11-2025Last modifiedVulnerability information updated.
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 metrics
3 scores · 3 sources · 1 versionCritical 9.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HSources3 sources · 8.1–9.0
- NVDNIST9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- wordfenceSource8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
22.11%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
+1.63 pp
From 20.47% on 20-09-2026
20-09-202620-10-2026
EPSS score22.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- w3 total cache< 2.8.13
Wordpress1 product
- w3-total-cache≤ 2.8.12 (fixed in 2.8.13)
2 vendors · 2 products