CVE-2026-13356

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

Published: Jul 6, 2026Updated: Jul 8, 2026 Sources: CVE List NVDCWE-451

6.3MEDIUM

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:LAvailability

Low

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Weaknesses

CWE-451

Affected Products

Mozilla

oss-project·USaka mozilla corp.

firefoxOn-premDesktop App

Consumer Software / browser

Firefox for iOS

Consumer Software

Exploitability

Official Patch Available

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2047768

bugzilla.mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-65/

mozilla.org

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