All vulnerabilities

WordPress plugins

CVE-2026-57623

W3 Total Cache: Improper Validation of Specified Quantity in Input

Severity
Critical 9.0
Published
29 Jun 2026
Added to UpHeron
18 Oct 2026
Fixed in
2.10.0
Also known as
WPV-c8c50ed344f0
Sources
WPVulnerability

Affected software

SoftwareAffected versions
W3 Total Cache (WordPress plugin)WordPress plugins · wp-plugin:w3-total-cache
  • Every version before 2.10.0

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-57623
  • Wordfence https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/w3-total-cache/w3-total-cache-294-unauthenticated-arbitrary-code-execution