What or database connector (like PDO or MySQLi) your site uses
Ensure that the data received matches the expected format. If your id parameter should always be an integer, explicitly cast it to an integer in your PHP code. // Basic typecasting defense $id = (int)$_GET['id']; Use code with caution. 3. Implement a Web Application Firewall (WAF) inurl php id1 upd
Show you to test your site's security.