CVE-2023-4051
HIGHFirefox <116, Firefox ESR <115.2, Thunderbird <115.2 - Info Disclosure
Title source: llmDescription
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1821884
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-29/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-36/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-38/
Scores
CVSS v3
7.5
EPSS
0.0016
EPSS Percentile
36.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (1)
mozilla/firefox
< 116.0
Published
Aug 01, 2023
Tracked Since
Feb 18, 2026