Description
It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a `<select>` 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.
Scores
CVSS v3
8.8
EPSS
0.0093
EPSS Percentile
76.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-763
Status
published
Products (2)
mozilla/firefox
< 128.0
mozilla/thunderbird
< 128.0
Published
Jul 09, 2024
Tracked Since
Feb 18, 2026