Add-cart.php Num __hot__ Info

// Check stock for new total if ($product && $new_quantity > $product['stock']) if ($response_type == 'json') echo json_encode(['success' => false, 'error' => 'Would exceed stock limit']); exit;

// HTML response - redirect $_SESSION['cart_message'] = "Product added to cart successfully!"; $redirect = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'products.php'; header("Location: $redirect"); exit; ?> add-cart.php num

$productId = $_GET['id']; $quantity = $_GET['num']; $sql = "SELECT * FROM products WHERE id = $productId"; // Check stock for new total if ($product

By sending a single request with an absurdly high num value, or by sending thousands of sequential requests via a simple script, an attacker can flood the cart session. 'Would exceed stock limit'])