What is GHSA-hm5r-6wjv-xfx3?

GHSA-hm5r-6wjv-xfx3 is a security advisory published by GitHub Security Advisories with High severity. Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 159.

Which CVE IDs does GHSA-hm5r-6wjv-xfx3 cover?

GHSA-hm5r-6wjv-xfx3 covers the following CVE IDs: CVE-2026-118008. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hm5r-6wjv-xfx3?

GHSA-hm5r-6wjv-xfx3 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-hm5r-6wjv-xfx3HighCVSS 8.8

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 159.

Vendor

GitHub Security Advisories

Published

October 27, 2026

Last Modified

October 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-118008 →

📋 Description

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 159.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-118008
https://bugzilla.mozilla.org/show_bug.cgi?id=2075440
https://www.mozilla.org/security/advisories/mfsa2026-118
https://www.mozilla.org/security/advisories/mfsa2026-121
https://github.com/advisories/GHSA-hm5r-6wjv-xfx3