CVE-2023-5729
MEDIUMFirefox < 119.0 - Spoofing via Fullscreen and WebAuthn Prompt Overlap
Title source: llmDescription
A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119.
References (3)
Core 3
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1823720
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/
Third Party Advisory
https://security.gentoo.org/glsa/202401-10
Scores
CVSS v3
4.3
EPSS
0.0016
EPSS Percentile
36.7%
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
< 119.0
Published
Oct 25, 2023
Tracked Since
Feb 18, 2026