What is GHSA-5c4g-pv82-qr56?

GHSA-5c4g-pv82-qr56 is a security advisory published by GitHub Security Advisories with Medium severity. The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute...

Which CVE IDs does GHSA-5c4g-pv82-qr56 cover?

GHSA-5c4g-pv82-qr56 covers the following CVE IDs: CVE-2026-91011. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5c4g-pv82-qr56?

GHSA-5c4g-pv82-qr56 has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-5c4g-pv82-qr56MediumCVSS 6.8

The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute...

Vendor

GitHub Security Advisories

Published

September 17, 2026

Last Modified

September 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-91011 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-91011
https://wpscan.com/vulnerability/334f14d5-f97b-4ec5-9b42-bb0803ae1668
https://github.com/advisories/GHSA-5c4g-pv82-qr56