CVE-2026-13356

Interrupted navigation could allow address bar origin spoofing in Firefox for iOS

Published Jul 6, 2026 CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-754
Type Values Removed Values Added
Weaknesses CWE-451
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'}

ssvc

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

Type Values Removed Values Added
Weaknesses CWE-754
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox For Ios
Vendors & Products Mozilla
Mozilla firefox For Ios
Type Values Removed Values Added
Description A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.
Title Interrupted navigation could allow address bar origin spoofing in Firefox for iOS
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Jul 7, 2026, 1:27 PM
Reserved
Jun 25, 2026, 5:23 PM
Status
Analyzed
Published
Jul 7, 2026, 12:16 AM
Modified
Oct 25, 2026, 8:10 PM