CVE-2026-27948: medium-severity vulnerability in 9001 copyparty
Copyparty vulnerable to eflected cross-site scripting via setck parameter
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected products
9001 · copypartyRelated CVEs — 9001 copyparty
In the same product, most dangerous first.
CVE-2023-37474HIGHPath traversal in copypartyEPSS 44.9%CVE-2023-38501MEDIUMcopyparty vulnerable to reflected cross-site scripting via k304 parameterEPSS 9.2%CVE-2025-54589MEDIUMcopyparty Reflected XSS via Filter ParameterEPSS 2.4%CVE-2025-54796HIGHCopyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" pageEPSS 0.5%CVE-2025-54423MEDIUMcopyparty has a DOM-Based XSS vulnerability when displaying multimedia metadataEPSS 0.5%CVE-2025-27145LOWcopyparty renders unsanitized filenames as HTML when user uploads empty filesEPSS 0.5%