CVE-2023-25730

State: Published
Severity: 5.4 Medium
Published: Jun 2, 2023
Updated: Jan 10, 2025
Reserved: Feb 13, 2023

Description

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Affected Products

Product	Versions
FirefoxMozilla	before 110Affected
ThunderbirdMozilla	before 102.8Affected
Firefox ESRMozilla	before 102.8Affected

References

https://www.mozilla.org/security/advisories/mfsa2023-06/
https://www.mozilla.org/security/advisories/mfsa2023-05/
https://www.mozilla.org/security/advisories/mfsa2023-07/
https://bugzilla.mozilla.org/show_bug.cgi?id=1794622

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