Vulnerability · NVD

CVE-2026-13356

CVE-2026-13356, medium severity (CVSS 6.3): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 6.3
Exploitation: 0.2 %
Tracked apps: 1
Still exposed: 0

Published on 2026-07-07

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.

Attack vector : Network No privileges required

Show raw CVSS vector

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

EPSS 0.22% exploit very unlikely percentile 11.0%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Firefox iOS org.mozilla.ios.Firefox

Affected <152.3 Fixed in 152.3 Latest tracked 156.1 patched

Observed affected builds (30)

152.1.2 152.1.1 152.1 151.1 151.0 150.3 150.2 150.1 150.0 149.3 149.2 149.1 149.0 148.3 148.2 148.1 148.0 147.5 147.4 147.3 147.2.1 147.2 147.1 147.0 146.1 146.0 145.3 145.2 145.1 145.0

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox iOS	iOS	<152.3	cpe:2.3:a:mozilla:firefox::::::iphone_os::*

View on NVD ↗ Advisory · www.mozilla.org

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