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Fencer Intel
critical 9.0

CVE-2026-57623 json

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

published 4mo ago modified 17d 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

Summary

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

Patch / fix

  • BoldGrid W3 Total Cache 2.10.0

Is CVE-2026-57623 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
4mo ago

Exploit prediction

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

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

References

Sources

Fencer Intel 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.