CVE-2024-6607

Leaving pointerlock by pressing the escape key could be prevented

It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a `&lt;select&gt;` element over certain permission prompts. This could be used to confuse a user into giving a site unintended permissions. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Affected

Mozilla · Firefox · Thunderbird

CVSS v3.1 CNA

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.56% chance of exploitation in the next 30 days, 46th percentile

Published

2024-07-09

Updated

2025-10-30

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1694513

Security advisories

• https://www.mozilla.org/security/advisories/mfsa2024-29
• https://www.mozilla.org/security/advisories/mfsa2024-32

References

• CVE Record
• NVD entry