{"cve":"CVE-2021-29250","nvd":{"published":"2021-05-05T13:15:07.787","modified":"2026-06-17T03:47:27.053","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/","https://github.com/btcpayserver/btcpayserver/releases","https://blog.btcpayserver.org/vulnerability-disclosure-v1-0-7-0/","https://github.com/btcpayserver/btcpayserver/releases"],"products":["btcpayserver:btcpay_server"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-29250","score":0.00527,"percentile":0.44681,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}