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.
- Published Sep 17, 2026
- CVSS 6.8 medium
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available