CVE-2022-31738
MEDIUMFirefox < 101 and Firefox ESR < 91.10 - Authentication Bypass by Spoofing via Fullscreen Mode Exit
Title source: llmDescription
When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1756388
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-20/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-21/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-22/
Scores
CVSS v3
6.5
EPSS
0.0015
EPSS Percentile
35.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-290
Status
published
Products (3)
mozilla/firefox
< 101
mozilla/firefox_esr
< 91.10
mozilla/thunderbird
< 91.10
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026