Add-cart.php - Num

A request to add-cart.php?num=1.1 returns a MySQL error: "Unknown column '1.1' in 'where clause'" — SQL injection confirmed.

$_SESSION['last_cart_action'] = time(); Use this checklist to test if your add-cart.php script is secure. add-cart.php num

// In the form that calls add-cart $_SESSION['csrf_token'] = bin2hex(random_bytes(32)); echo '<input type="hidden" name="csrf_token" value="'.$_SESSION['csrf_token'].'">'; // In add-cart.php if (!hash_equals($_SESSION['csrf_token'], $_POST['csrf_token'])) die('CSRF attack detected'); A request to add-cart

if (isset($_SESSION['last_cart_action']) && (time() - $_SESSION['last_cart_action']) < 0.5) header('HTTP/1.1 429 Too Many Requests'); exit; // In add-cart.php if (!hash_equals($_SESSION['csrf_token']

https://vintage-books.com/add-cart.php?num=12