Medium
Copyparty vulnerable to eflected cross-site scripting via setck parameter
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-27948
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:01 UTC · Revision 1
Source evidence
Copyparty vulnerable to eflected cross-site scripting via setck parameter
core-osv · Original sourcePublished 26 Feb 2026, 01:32 UTC
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.
osv:CVE-2026-27948
Complete source record
{
"id": "a70a629f833026f6aa84f2c413fdf72dd84d6a1fc7fc9b7aafb5874cf20ae531",
"url": "https://osv.dev/vulnerability/CVE-2026-27948",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Copyparty vulnerable to eflected cross-site scripting via setck parameter",
"summary": "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.",
"evidence": "osv:CVE-2026-27948",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-27948",
"aliases": [
"CVE-2026-27948",
"GHSA-62cr-6wp5-q43h",
"PYSEC-2026-2136"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/9001/copyparty",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e00e11225f146c9aca50fec01232d4718eb8e6aa"
},
{
"fixed": "31b2801fd041f803f4a3d5c12c7d7cb5419048bc"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.20.9"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "31b2801fd041f803f4a3d5c12c7d7cb5419048bc"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27948.json"
}
}
],
"modified": "2026-10-28T02:30:37.774866925Z",
"provider": "osv",
"references": [
"https://github.com/9001/copyparty/security/advisories/GHSA-62cr-6wp5-q43h",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27948.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-27948",
"https://github.com/9001/copyparty/commit/31b2801fd041f803f4a3d5c12c7d7cb5419048bc"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27948.json"
}
},
"related_cves": [
{
"value": "CVE-2026-27948",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505097,
"published_at": "2026-02-26T01:32:15.184+00:00"
}