W3 Total Cache < 2.8.13 - Unauthenticated Command Injection
Priority MEDIUM 61Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.22106 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed W3 Total Cache (Unknown): 2.8.13
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | W3 Total Cache | before 2.8.13 | 2.8.13 | Patch available | CNA |
- W3 Total Cache VendorUnknown Affected before 2.8.13 Fixed in 2.8.13 Patch available CNA
Remediation
- Fix · CNA W3 Total Cache (Unknown) Fixed in 2.8.13
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9501
- 2026-10-03 Alias added: GHSA-wx46-pc78-pqhq
References
Sources
- CVE-2025-9501 · CVE Program
- CVE-2025-9501 · NVD
- FIRST EPSS
- GHSA-wx46-pc78-pqhq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences