CVE-2025-54423

copyparty has a DOM-Based XSS vulnerability when displaying multimedia metadata

Published Jul 28, 2025 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
copyparty is a portable file server. In versions up to and including versions 1.18.4, an unauthenticated attacker is able to execute arbitrary JavaScript code in a victim's browser due to improper sanitization of multimedia tags in music files, including m3u files. This is fixed in version 1.18.5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-22945 copyparty has DOM-Based XSS vulnerability when displaying multimedia metadata
Github GHSA Github GHSA GHSA-9q4r-x2hj-jmvr copyparty has DOM-Based XSS vulnerability when displaying multimedia metadata
History
Type Values Removed Values Added
CPEs cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared 9001
9001 copyparty
Vendors & Products 9001
9001 copyparty
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description copyparty is a portable file server. In versions up to and including versions 1.18.4, an unauthenticated attacker is able to execute arbitrary JavaScript code in a victim's browser due to improper sanitization of multimedia tags in music files, including m3u files. This is fixed in version 1.18.5.
Title copyparty has a DOM-Based XSS vulnerability when displaying multimedia metadata
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 28, 2025, 8:20 PM
Reserved
Jul 21, 2025, 11:18 PM
Status
Analyzed
Published
Jul 28, 2025, 8:17 PM
Modified
Jun 17, 2026, 9:40 AM