CVE-2025-54423

Published: Jul 28, 2025Modified: Jun 17, 2026

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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 (1)

Products: 9001: Copyparty

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
9001 Copyparty	Before 1.18.5

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (3)

https://github.com/9001/copyparty/commit/895880aeb0be0813ddf732487596633f8f9fc3a6

Source: security-advisories@github.com

Patch

https://github.com/9001/copyparty/releases/tag/v1.18.5

Source: security-advisories@github.com

Release Notes

https://github.com/9001/copyparty/security/advisories/GHSA-9q4r-x2hj-jmvr

Source: security-advisories@github.com

ExploitVendor Advisory

Timeline

No history available yet.