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 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.