When the address bar was hidden due to scrolling on Android, a malicious page could create a fake address bar to fool the user in response to a visibilitychange event. This vulnerability was fixed in Firefox 144.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.mozilla.org/security/advisories/mfsa2025-81/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · mozillaNVD modified 2026-10-08 12:10
Affected (CPE criteria) 1
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
References 2
- https://bugzilla.mozilla.org/show_bug.cgi?id=1980808 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-81/ Vendor Advisory