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CVE-2026-2919

Medium

Description

Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability was fixed in Focus for iOS 148.2.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMozilla Firefox Focus
PublishedMar 9, 2026
First seenMar 9, 2026
Weakness typeCWE-451CWE-451

How to fix

Update
  • mozilla firefox_focus148.2 or later

Affected products

ProductAffected versionsFixed in
mozilla firefox_focusv < 148.2148.2

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