CVE-2022-31738

State: Published
Severity: 6.5 Medium
Published: Dec 22, 2022
Updated: Apr 16, 2025
Reserved: May 26, 2022

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-290 Authentication Bypass by Spoofing

Affected Products

Product	Versions
ThunderbirdMozilla	before 91.10Affected
FirefoxMozilla	before 101Affected
Firefox ESRMozilla	before 91.10Affected

References

https://www.mozilla.org/security/advisories/mfsa2022-20/
https://www.mozilla.org/security/advisories/mfsa2022-22/
https://www.mozilla.org/security/advisories/mfsa2022-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1756388

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