Multiple open redirect vulnerabilities in NopCommerce 4.10 through 4.50.1 allow remote attackers to conduct phishing attacks by redirecting users to attacker-controlled web sites via the returnUrl parameter, processed by the (1) ChangePassword function, (2) SignInCustomerAsync function, (3) SuccessfulAuthentication method, or (4) NopRedirectResultExecutor class.
https://github.com/nopSolutions/nopCommerce/releases
https://gist.github.com/adeadfed/baea45138b7eb29e09f6505d56b56413