Add-cart.php Num Portable [ FREE — 2025 ]

If the add-cart.php file does not properly sanitize the num input, an attacker could change the URL to: add-cart.php?num=123 OR 1=1 If the backend code directly inserts this into a query like SELECT * FROM products WHERE id = $num , it can allow unauthorized database access. 2. Insecure Direct Object Reference (IDOR)

// In add-cart.php if (!hash_equals($_SESSION['csrf_token'], $_POST['csrf_token'])) die('CSRF attack detected'); add-cart.php num

At first glance, a URL like https://www.yourstore.com/add-cart.php?id=105&num=1 seems harmless. It tells the server: "Add product ID 105 to the cart, quantity 1 (num=1)." If the add-cart