An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS < 122.
https://www.mozilla.org/security/advisories/mfsa2024-09/
https://bugzilla.mozilla.org/show_bug.cgi?id=1863831
Source: Mitre, NVD
Published: 2024-02-22
Updated: 2025-03-27
Base Score: 7.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.1
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00312