CVE-2025-23108

Firefox Mobile iOS Full Address Bar Spoof Using Open in New Tab and Javascript URI

Published Jan 11, 2025 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability was fixed in Firefox for iOS 134.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-3122 Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability affects Firefox for iOS < 134.
History
Type Values Removed Values Added
Description Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability affects Firefox for iOS < 134. Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability was fixed in Firefox for iOS 134.
Title Firefox Mobile iOS Full Address Bar Spoof Using Open in New Tab and Javascript URI
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
Vendors & Products Mozilla
Mozilla firefox
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Opening Javascript links in a new tab via long-press in the Firefox iOS client could result in a malicious script spoofing the URL of the new tab. This vulnerability affects Firefox for iOS < 134.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
May 20, 2026, 2:29 PM
Reserved
Jan 10, 2025, 9:00 PM
Status
Modified
Published
Jan 11, 2025, 4:15 AM
Modified
Oct 5, 2026, 3:10 PM