Medium severity5.4NVD Advisory· Published Jul 28, 2025· Updated Jun 17, 2026
CVE-2025-54423
CVE-2025-54423
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
copypartyPyPI | < 1.18.5 | 1.18.5 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/9001/copyparty/commit/895880aeb0be0813ddf732487596633f8f9fc3a6nvdPatchWEB
- github.com/9001/copyparty/security/advisories/GHSA-9q4r-x2hj-jmvrnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-9q4r-x2hj-jmvrghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-54423ghsaADVISORY
- github.com/9001/copyparty/releases/tag/v1.18.5nvdRelease NotesWEB
News mentions
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