CVE-2026-27948

low-risk
Published 2026-02-26

Copyparty is a portable file server. In versions prior to 1.20.9, an XSS allows for reflected cross-site scripting via URL-parameter `?setck=...`. Version 1.20.9 fixes the issue.

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

9001

References (2)

Patch https://github.com/9001/copyparty/commit/31b2801fd041f803f4a3d5c12c7d7cb5419048b...
Vendor Advisory https://github.com/9001/copyparty/security/advisories/GHSA-62cr-6wp5-q43h
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal