Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.11.
https://huntr.dev/bounties/a48414ea-63d9-453c-b3f3-2c927b71ec68
https://github.com/btcpayserver/btcpayserver/commit/dffa6accb04df7b80bc584dedef22c9297292ce6