Add-cart.php Num Patched 🏆

The Functionality and Importance of add-cart.php in E-commerce

2. The Code Implementation

$_SESSION['cart'][$product_id] = $new_qty; else $_SESSION['cart'][$product_id] = $quantity;

What is add-cart.php?num=X?

The Exploit: Price Manipulation

A secure URL should look like: POST /add-to-cart (not GET) with body product_id=123&quantity=1 . add-cart.php num