CVE-2025-54423
5.4 · MEDIUMOverview
CVE-2025-54423 is a medium-severity vulnerability affecting 9001 copyparty. It was published on July 28, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from 9001. Update copyparty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| 9001 | copyparty | >= 0, < 1.18.5 | Affected |
Frequently Asked Questions
What is CVE-2025-54423?
CVE-2025-54423 is a medium-severity vulnerability affecting 9001 copyparty. It was published on July 28, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2025-54423?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-54423?
Check the references section for vendor advisories and patches from 9001. Update copyparty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-54423?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-54423 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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