[ CVE-2026-91072 · Published 30 Sep 2026 ]
Vulnerability in Unknown EWWW Image Optimizer
CVSS 4.4
EPSS <1%No fix listed yet
[ Description ]Official description
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not confine a WebP-derivative file migration routine to the current site's own uploads directory, letting an attacker with Administrator-level access rename or delete existing WebP-derivative image files outside that scope, including, on a multisite network, files belonging to a different site they have no access to.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.