What is GHSA-6x7h-26ww-h8x2?

GHSA-6x7h-26ww-h8x2 is a security advisory published by GitHub Security Advisories with Critical severity. WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site...

Which CVE IDs does GHSA-6x7h-26ww-h8x2 cover?

GHSA-6x7h-26ww-h8x2 covers the following CVE IDs: CVE-2026-88866. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6x7h-26ww-h8x2?

GHSA-6x7h-26ww-h8x2 has a CVSS v3 base score of 8.7, published by GitHub Security Advisories.

GHSA-6x7h-26ww-h8x2CriticalCVSS 8.7

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site...

Vendor

GitHub Security Advisories

Published

September 10, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-88866 →

📋 Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the LoginControl plugin that fails to encode the User-Agent header before storing it in login history. Attackers with any valid login account can inject malicious scripts in the User-Agent header that execute in administrator browsers when viewing the Login History page, allowing script execution within the administrator session.

🔗 References (4)

https://github.com/WWBN/AVideo/security/advisories/GHSA-wg67-62q3-2m33
https://nvd.nist.gov/vuln/detail/CVE-2026-88866
https://www.vulncheck.com/advisories/wwbn-avideo-logincontrol-stored-xss-via-user-agent-header
https://github.com/advisories/GHSA-6x7h-26ww-h8x2