CVE-2023-29534
Medium
Elevated severity or exploit probability.
CVSS base
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.7%
51.4th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2023-06-19 · modified 2026-08-19
Description
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.
Affected
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1816007
- https://bugzilla.mozilla.org/show_bug.cgi?id=1816059
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821155
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821576
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821906
- https://bugzilla.mozilla.org/show_bug.cgi?id=1822298
- https://bugzilla.mozilla.org/show_bug.cgi?id=1822305
- https://www.mozilla.org/security/advisories/mfsa2023-13/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1816007
- https://bugzilla.mozilla.org/show_bug.cgi?id=1816059
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821155
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821576
- https://bugzilla.mozilla.org/show_bug.cgi?id=1821906
- https://bugzilla.mozilla.org/show_bug.cgi?id=1822298
- https://bugzilla.mozilla.org/show_bug.cgi?id=1822305
- https://www.mozilla.org/security/advisories/mfsa2023-13/