XSS in 9001 Copyparty

CVE-2025-54589

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at `/?ru`, users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which refl…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (74.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-54589?
CVE-2025-54589 is a medium-severity vulnerability in 9001 Copyparty, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2025-07-31.
How severe is CVE-2025-54589?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-54589 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.