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6.3 Medium

CVE-2026-13356 A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the…

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.

Affected products and versions

Product Affected versions Fixed in
Firefox for iOS 152.3 earliest → < 152.3 152.3
The 60 CVEs of Firefox for iOS →
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