CVE-2026-13356

MEDIUM

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

Title source: cna

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.

References (2)

Core 2

Core References

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

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

Scores

CVSS v3 6.3

EPSS 0.0013

EPSS Percentile 3.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-451

Status published

Products (2)

mozilla/firefox < 152.3

Mozilla/Firefox for iOS 152.3

Published Jul 07, 2026

Tracked Since Jul 07, 2026