BizSpring Shop through commit cf22d39daaf1 contains an insecure direct object reference vulnerability in the OrderController cancel and receive handlers that allows authenticated members to act on other members' orders by supplying their orderId. Attackers can cancel victims' pending orders to release allocated stock or confirm receipt of shipped orders, advancing fulfilment and settlement without the victim's consent.

BizSpring Shop through commit cf22d39daaf1 contains a payment verification bypass vulnerability that allows authenticated buyers to mark orders paid by calling the PaymentController.testPostPay handler. Attackers can generate a payment log via /member/payment/load and request /member/payment/testpostpay{paymentLogSn} to obtain goods without paying or settle other members' orders.