CVE-2026-13356

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.3 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

July 07, 2026

Last Modified

July 08, 2026

CWE ID

CWE-451

Source

NVD

Vendor

Mozilla

Product

Firefox for iOS

External References

https://bugzilla.mozilla.org/show_bug.cgi?id=2047768
https://www.mozilla.org/security/advisories/mfsa2026-65/

CVE-2026-13356

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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