PT-2025-31150 · Copyparty · Copyparty

Published 2025-07-28 · Updated 2025-07-29 · CVE-2025-54423

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions copyparty versions up to and including 1.18.4

Description copyparty is a portable file server susceptible to cross-site scripting (XSS). An unauthenticated attacker can execute arbitrary JavaScript code in a victim’s browser due to improper sanitization of multimedia tags in music files, including m3u files.

Recommendations Update to version 1.18.5 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-54423

GHSA-9Q4R-X2HJ-JMVR

Affected Products

Copyparty

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54423.json · Exploit
• https://github.com/9001/copyparty/security/advisories/GHSA-9q4r-x2hj-jmvr · Vendor Advisory
• https://github.com/9001/copyparty/commit/895880aeb0be0813ddf732487596633f8f9fc3a6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-54423 · Security Note
• https://osv.dev/vulnerability/CVE-2025-54423 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9q4r-x2hj-jmvr · Vendor Advisory
• https://github.com/9001/copyparty · Note
• https://github.com/9001/copyparty/releases/tag/v1.18.5 · Note
• https://twitter.com/VulmonFeeds/status/1949985316757975443 · Twitter Post
• https://t.me/CVEtracker/28616 · Telegram Post
• https://twitter.com/CVEnew/status/1949927613654315153 · Twitter Post