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Vulnerability record · CVE-2024-0606 · published 22 January 2024

CVE-2024-0606: Mozilla firefox focus cross-site scripting vulnerability

Mozilla · Firefox Focus

An attacker could execute unauthorized script on a legitimate site through UXSS using window.open() by opening a javascript URI leading to unauthorized actions within the user's loaded webpage. This vulnerability affects Focus for iOS < 122.

6.1 CVSS 3.1 Medium EPSS 0.28% · top 81.3% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An attacker could execute unauthorized script on a legitimate site through UXSS using window.open() by opening a javascript URI leading to unauthorized actions within the user's loaded webpage. This vulnerability affects Focus for iOS < 122.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.mozilla.org/show_bug.cgi?id=1855030 Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2024-03/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1855030 Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2024-03/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-0606), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.