In the context of shopping carts, IDOR is often more financially damaging than SQLi. This occurs when the application exposes a direct reference to an internal object (like a database key) without performing an authorization check.
: Multiply the price by the quantity stored in the session for each item. php id 1 shopping
The e-commerce world is moving away from predictable identifiers. Modern frameworks (Laravel, Symfony) use with implicit validation. They still use id=1 internally (for performance), but they pair it with middleware that checks authorization and rate limits. In the context of shopping carts, IDOR is
If a developer writes: