CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2025-54423
Medium (6.1) in 9001 copyparty. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in copyparty 1.18.5.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-11-01)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 9001:copyparty
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-9q4r-x2hj-jmvr | PyPI | copyparty | <1.18.5 | 1.18.5 |
| PYSEC-2026-1277 | PyPI | copyparty | <1.18.5 | 1.18.5 |