CVE-2026-57623: Boldgrid w3 Total Cache

Critical severity, CVSS 9.0. EPSS: 0.5% chance of exploitation in the next 30 days.

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

Affected products

• Boldgrid w3 Total Cache: up to and including 2.9.4

Published 2026-07-02. Last modified 2026-07-02.