Add-cart.php Num New! -

header( "Location: cart.php?status=success" Use code with caution. Copied to clipboard 🛡️ Security Analysis: The parameter is a high-risk vector for Business Logic Vulnerabilities</p>

$product_id = isset($_POST['product_id']) ? intval($_POST['product_id']) : 0; $num = isset($_POST['num']) ? intval($_POST['num']) : 1; add-cart.php num

file that processes product quantities safely and effectively using PHP sessions. The Core Concept header( "Location: cart

If you currently have add-cart.php?num= in production, stop reading and go audit it now. Your users’ data—and your business—depend on it. add a one‑time token: &lt

To secure an add-cart.php script, developers must move all validation logic to the .

add-cart.php should use (not GET) + a CSRF token. If you must use GET, add a one‑time token:

<?php session_start();