UpHeron
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WordPress plugins

CVE-2026-27384

W3 Total Cache: Improper Validation of Specified Quantity in Input

Severity
Critical 9.0
Published
24 Feb 2026
Added to UpHeron
18 Oct 2026
Fixed in
2.9.2
Also known as
WPV-515a33baf837
Sources
WPVulnerability

Affected software

SoftwareAffected versions
W3 Total Cache (WordPress plugin)WordPress plugins · wp-plugin:w3-total-cache
  • Every version before 2.9.2

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-27384
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/w3-total-cache/w3-total-cache-291-unauthenticated-arbitrary-code-execution