CVE-2026-91011 — EWWW Image Optimizer < 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion

CVE-2026-91011

EWWW Image Optimizer < 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / EWWW Image Optimizer	affected 0 before 8.7.7

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/334f14d5-f97b-4ec5-9b42-bb0803ae1668/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.