Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability affects Firefox for iOS < 147.2.1.
https://www.mozilla.org/security/advisories/mfsa2026-09/
https://bugzilla.mozilla.org/show_bug.cgi?id=2012152
Source: Mitre, NVD
Published: 2026-02-16
Updated: 2026-02-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS: 0.00018