PatchSiren

EWWW Image Optimizer CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM EWWW Image Optimizer CVE published 2026-09-17

CVE-2026-91011

The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page. This vulnerability affects WordPress installations with the EWWW Imag [truncated]