To prevent SQL injection attacks, web developers should use prepared statements with parameterized queries. Here's an example of a secure SQL query:
$stmt = $pdo->prepare("SELECT * FROM users WHERE id = :id"); $stmt->bindParam(":id", $id); $stmt->execute(); In this example, the id parameter is bound to a parameter :id , which prevents malicious SQL code from being injected.
Here's an example of a vulnerable URL: