Description
Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.
References (3)
Core 3
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1828334
Third Party Advisory
https://security.gentoo.org/glsa/202401-10
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-56/
Scores
CVSS v3
4.3
EPSS
0.0017
EPSS Percentile
37.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Details
Status
published
Products (1)
mozilla/firefox
< 121.0
Published
Dec 19, 2023
Tracked Since
Feb 18, 2026