CVE-2025-54423

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

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Affected: 9001 copyparty
Published at:
Updated at:

References

Link Tags
https://github.com/9001/copyparty/security/advisories/GHSA-9q4r-x2hj-jmvr
https://github.com/9001/copyparty/commit/895880aeb0be0813ddf732487596633f8f9fc3a6
https://github.com/9001/copyparty/releases/tag/v1.18.5

Frequently Asked Questions

What is the severity of CVE-2025-54423?
CVE-2025-54423 has been scored as a medium severity vulnerability.
How to fix CVE-2025-54423?
To fix CVE-2025-54423, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-54423 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-54423 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-54423?
CVE-2025-54423 affects 9001 copyparty.
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