Security Advisory: Update BTCPay Server to 2.4.2 Immediately
https://blog.btcpayserver.org/security-advisory-btcpay-server-2-4-2/There is a critical vulnerability being actively exploited on BTCPay Server, which can result in the loss of funds.
Please update your BTCPayServer to 2.4.2 by going to Admin Dashboard -> Server -> Maintenance -> Update & verify the 2.4.2 version string in the footer.
[EDIT] Locked (duplicate topic)