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 affects Firefox for iOS < 147.4.

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Fixes

Solution

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Workaround

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History

Fri, 27 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-451
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 25 Feb 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
Vendors & Products Mozilla firefox
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Wed, 25 Feb 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox For Ios
Vendors & Products Mozilla
Mozilla firefox For Ios

Tue, 24 Feb 2026 14:00:00 +0000

Type Values Removed Values Added
Description 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 affects Firefox for iOS < 147.4.
Title Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-02-27T20:55:35.483Z

Reserved: 2026-02-17T18:31:35.581Z

Link: CVE-2026-2634

cve-icon Vulnrichment

Updated: 2026-02-27T20:54:04.113Z

cve-icon NVD

Status : Modified

Published: 2026-02-24T14:16:23.810

Modified: 2026-02-27T21:16:19.743

Link: CVE-2026-2634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-25T11:39:17Z

Weaknesses