What is GHSA-66fv-p34j-fwgr?

GHSA-66fv-p34j-fwgr is a security advisory published by GitHub Security Advisories with unknown severity. A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript...

Which CVE IDs does GHSA-66fv-p34j-fwgr cover?

GHSA-66fv-p34j-fwgr covers the following CVE IDs: CVE-2026-13356. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-66fv-p34j-fwgrunknown

A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript...

Vendor

GitHub Security Advisories

Published

July 7, 2026

Last Modified

July 7, 2026

🔗 CVE IDs covered (1)

CVE-2026-13356 →

📋 Description

A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-13356
https://bugzilla.mozilla.org/show_bug.cgi?id=2047768
https://www.mozilla.org/security/advisories/mfsa2026-65
https://github.com/advisories/GHSA-66fv-p34j-fwgr