CVE-2024-6610

Form validation popups could block exiting full-screen mode

State: Published
Severity: 6.3 Medium
Published: Jul 9, 2024
Updated: Oct 30, 2025
Reserved: Jul 9, 2024

Description

Form validation popups could capture escape key presses. Therefore, spamming form validation messages could be used to prevent users from exiting full-screen mode. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Scores

CVSS	Score	Vector	Source
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	CISA-ADP

Weaknesses

CWE-451 User Interface (UI) Misrepresentation of Critical Information

Affected Products

Product	Versions
FirefoxMozilla	before 128Affected
ThunderbirdMozilla	before 128Affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1883396
https://www.mozilla.org/security/advisories/mfsa2024-29/
https://www.mozilla.org/security/advisories/mfsa2024-32/

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