CVE-2026-2919

Name: CVE-2026-2919
Creator: NVD / NIST
Published: 2026-03-09T14:16:10.017+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-2919 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.18%

8.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-451

Affected Software

Vendor	Product	Versions
Mozilla	Firefox Focus	< 148.2

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1975842Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-18/Vendor Advisory

Timeline

Published: Mar 9, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2919?

How severe is CVE-2026-2919?

CVE-2026-2919 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2919?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2919?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST