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 v3
4.3
EPSS
0.0009
EPSS Percentile
24.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-451
Status
published
Products (2)
mozilla/firefox
< 128.0
mozilla/thunderbird
< 128.0
Published
Jul 09, 2024
Tracked Since
Feb 18, 2026