CVE-2026-2919: Attacker-controlled content shown under spoofed domains in Focus for iOS via stalled navigation and iframe redirect

Published Mar 2, 2026
·
Updated

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.

Affected Software

4 affected components
Mozilla Focus for iOS<148.2
All of the following
Mozilla Focus=148.2
Apple iOS
Mozilla Firefox Focus Iphone Os<148.2

Event History

Mar 2, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Mar 9, 2026
CVE Published
via MITRE·01:27 PM
Data Sourced
via MITRE·01:27 PM
Description
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-2919?

CVE-2026-2919 is classified as a high severity vulnerability due to the potential for attacker-controlled content to be displayed under spoofed domains.

2

How do I fix CVE-2026-2919?

To mitigate CVE-2026-2919, update Mozilla Focus for iOS to version 149.0 or later.

3

What impact does CVE-2026-2919 have on users?

CVE-2026-2919 can lead to phishing attacks by causing users to interact with malicious content presented as legitimate.

4

Which versions of Mozilla Focus for iOS are affected by CVE-2026-2919?

Mozilla Focus for iOS version 148.2 is specifically vulnerable to CVE-2026-2919.

5

Is user data at risk with CVE-2026-2919?

Yes, CVE-2026-2919 may compromise user data by allowing attackers to present deceptive content under spoof domains.

Company

Resources

Contact

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