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OpenAdvisories
Medium · 5.4 CVE-2025-54423 EUVD-2025-22945GHSA-9q4r-x2hj-jmvrPYSEC-2026-1277

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

Published Jul 28, 2025 · Updated Jul 28, 2025 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
9001 copyparty < 1.18.5 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI copyparty < 1.18.5 1.18.5 GHSA-9q4r-x2hj-jmvr

References