CVE-2026-91011: CWE-79 Cross-Site Scripting (XSS) in EWWW Image Optimizer
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.
CVE-2026-91011: CWE-79 Cross-Site Scripting (XSS) in EWWW Image Optimizer
Description
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.
Affected software
EWWW Image Optimizer
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-14T16:12:49.896Z
- State
- PUBLISHED
Threat ID: 6aab827755bf5e2cf5d4d337
Added to database: 09/17/2026, 06:02:31 UTC
Last updated: 09/17/2026, 06:02:31 UTC
Views: 1
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