CVE-2022-26383
MEDIUMFirefox < 98.0, Firefox ESR < 91.7, and Thunderbird < 91.7 - Fullscreen Notification Bypass via Popup Resizing
Title source: llmDescription
When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.
References (4)
Core 4
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1742421
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-10/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-11/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-12/
Scores
CVSS v3
4.3
EPSS
0.0066
EPSS Percentile
46.3%
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
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-451
Status
published
Products (3)
mozilla/firefox
< 98.0
mozilla/firefox_esr
< 91.7
mozilla/thunderbird
< 91.7
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026