Business Logic Vulnerabilities Explained: Real Examples, Impact & How to Prevent Them
Imagine an online retailer running a promotion: “Spend $100 this month, get a $25 gift card.” It sounds simple encourage loyal shoppers to spend more. But due to a flaw in the app’s logic, a clever user discovers a loophole. They place enough orders to reach the $100 threshold and receive the gift card. Then, they cancel a small order to drop below the threshold only to make a new one that pushes their total back over $100.
