CVE-2022-22743
MEDIUMFirefox ESR < 91.5, Firefox < 96, Thunderbird < 91.5 - Info Disclosure
Title source: llmDescription
When navigating from inside an iframe while requesting fullscreen access, an attacker-controlled tab could have made the browser unable to leave fullscreen mode. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
References (4)
Core 4
Core References
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1739220
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-01/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-02/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-03/
Scores
CVSS v3
4.3
EPSS
0.0043
EPSS Percentile
62.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (3)
mozilla/firefox
< 96.0
mozilla/firefox_esr
< 91.5
mozilla/thunderbird
< 91.5
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026