What is GHSA-hccq-gj23-w7rq?

GHSA-hccq-gj23-w7rq is a security advisory published by GitHub Security Advisories with Critical severity. Mitigation bypass in the Bookmarks \u0026 History component. This vulnerability was fixed in Firefox...

Which CVE IDs does GHSA-hccq-gj23-w7rq cover?

GHSA-hccq-gj23-w7rq covers the following CVE IDs: CVE-2026-100828. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hccq-gj23-w7rq?

GHSA-hccq-gj23-w7rq has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-hccq-gj23-w7rqCriticalCVSS 9.6

Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox...

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

October 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-100828 →

📋 Description

Mitigation bypass in the Bookmarks & History component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-100828
https://bugzilla.mozilla.org/show_bug.cgi?id=2066019
https://www.mozilla.org/security/advisories/mfsa2026-100
https://www.mozilla.org/security/advisories/mfsa2026-97
https://www.mozilla.org/security/advisories/mfsa2026-101
https://www.mozilla.org/security/advisories/mfsa2026-103
https://github.com/advisories/GHSA-hccq-gj23-w7rq