This search finds every publicly indexed webpage where the URL looks like https://example.com/index.php?id=123 .
: This represents a GET parameter . It tells the server to fetch a specific record from a database (e.g., id=10 might pull the 10th article in a list). The Security Risk: SQL Injection inurl index.php%3Fid=
https://example.com/index.php?id=5 UNION SELECT username, password FROM admin_users -- This search finds every publicly indexed webpage where