is often the first item listed, used as a test case for dynamic page rendering. Functional Role in Shopping Systems The identifier is passed through URLs (e.g., cart.php?action=add&id=1
<form action="checkout.php" method="POST"> <input type="hidden" name="product_id" value="1"> <input type="hidden" name="product_price" value="500.00"> <input type="submit" value="Buy Now"> </form> php id 1 shopping
If the developer uses the vulnerable code shown earlier (concatenating the variable directly into the SQL string), a hacker can input a malicious string instead of a number. is often the first item listed, used as
By adding AND user_id = ? to the query, you ensure that even if a user guesses order_id=1 , they cannot see the order details unless they are the actual owner of that order. is often the first item listed