WordPress W3 Total Cache plugin <= 2.9.4 - Arbitrary Code Execution vulnerability

published 2026-07-02 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-41365

cvss: 9.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Unauthenticated Arbitrary Code Execution in W3 Total Cache <= 2.9.4 versions.

Patch / fix

fixed in 1

BoldGrid W3 Total Cache 2.10.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 4 mo ago (2026-07-02)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

BoldGrid W3 Total Cache

Classification

Weakness

CWE-1284 Improper Validation of Specified Quantity in Input

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/w3-total-cache/vulnerability/wordpress-w3-total-cache-plugin-2-9-4-arbitrary-code-e
vdb-entry

Sources

CVE List CVE-2026-57623
NVD CVE-2026-57623

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary