The QR scanner could allow arbitrary websites to be opened if a user was tricked into scanning a malicious link that leveraged Firefox's open-text URL scheme This vulnerability affects Firefox for iOS < 141.
https://www.mozilla.org/security/advisories/mfsa2025-60/
https://bugzilla.mozilla.org/show_bug.cgi?id=1946122
Source: Mitre, NVD
Published: 2025-08-19
Updated: 2025-08-21
Base Score: 9.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
Severity: High
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00018