If an attacker visits index.php?id=5 UNION SELECT null, username, password FROM users , the database executes the combined query. This allows the attacker to bypass authentication, read administrative credentials, or dump the entire database contents. What a "Patched" URL Involves
For decades, the search query inurl:index.php?id= has been a staple in the toolkit of both security researchers and malicious actors. In the realm of Google Dorking—using advanced search operators to find security flaws—this specific string is famous for uncovering websites running dynamic PHP scripts that interact with databases. When left unprotected, these URLs are prime targets for SQL Injection (SQLi) attacks.