What’s Vulnerable › Vulnerabilities

CVE-2021-29250

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-05 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• btcpayserver/btcpayserver: through 1.0.7.0

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

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