CVE-2026-2634

Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS

CVSS 9.8 CRITICALEPSS 0.3%CWE-451

Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability was fixed in Firefox for iOS 147.4.

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

Produtos afetados

Mozilla · Firefox for iOS

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Referências

https://bugzilla.mozilla.org/show_bug.cgi?id=1975529 https://www.mozilla.org/security/advisories/mfsa2026-12/