Medium
Security advisory
BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-29250
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:43 UTC · Revision 1
Source evidence
BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing.
osv:CVE-2021-29250
Complete source record
{
"id": "ce06b223961f36639f25eabb8be4093c780e1017a58aa9de3f2480235a0efedb",
"url": "https://osv.dev/vulnerability/CVE-2021-29250",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-29250",
"summary": "BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Add Products functionality. This enables cookie stealing.",
"evidence": "osv:CVE-2021-29250",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-29250",
"aliases": [
"CVE-2021-29250"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/btcpayserver/btcpayserver",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "e1fed90b71c507d1d1dcc2a7760eb1f60eb1ac48"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:btcpayserver:btcpay_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.0.7.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29250.json"
}
}
],
"modified": "2026-10-20T10:54:36.909198839Z",
"provider": "osv",
"references": [
"https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/",
"https://github.com/btcpayserver/btcpayserver/releases"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-29250",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385734,
"published_at": "2021-05-05T13:15:07.787+00:00"
}