CVE-2026-13356EPSS p11.2%

CVE-2026-13356CVE-2026-13356

mozilla / firefox

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.

Scoring

CVSS 6.3 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS0.22% probability of exploitation · percentile 11.2% · 2026-10-05T12:00:23Z
Last modified2026-07-08
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.