Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android.  These could have led to potential user confusion and spoofing attacks.

*This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.


CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS_V3