Description
Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136.
Scores
CVSS v3
3.9
EPSS
0.0013
EPSS Percentile
32.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-359
Status
published
Products (2)
mozilla/firefox
< 136.0
Mozilla/Firefox
136
Published
Mar 04, 2025
Tracked Since
Feb 18, 2026