Advisories for Npm/Paypal-Ipn package

paypal-ipn before 3.0.0 uses the test_ipn parameter (which is set by the PayPal IPN simulator) to determine if it should use the production PayPal site or the sandbox. With a bit of time, an attacker could craft a request using the simulator that would fool any application which does not explicitly check for test_ipn in production.

paypal-ipn uses the test_ipn parameter (which is set by the PayPal IPN simulator) to determine if it should use the production PayPal site or the sandbox. "With a bit of time, an attacker could craft a request using the simulator that would fool any application which does not explicitly check for test_ipn in production." See provided link.