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Vulnerability record · CVE-2025-55033 · published 19 August 2025

CVE-2025-55033: Mozilla firefox focus cross-site scripting vulnerability

Mozilla · Firefox Focus

Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks. This vulnerability was fixed in Focus for iOS 142.

6.1 CVSS 3.1 Medium EPSS 0.17% · top 94.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks. This vulnerability was fixed in Focus for iOS 142.

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=1913825 Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2025-69/ Vendor Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2025-55033), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.