If the website developer didn't properly "sanitize" or "filter" that input, an attacker can change the "5" to something malicious, like: 5 OR 1=1
Understanding the Google Dork: inurl:index.php?id= If you have spent any time in the world of cybersecurity, bug hunting, or even just curious "Google dorking," you have likely stumbled across the string inurl:index.php?id= .
The reason hackers and researchers search for this specific pattern is that it is the "smoking gun" for vulnerabilities.
: Instead of index.php?id=102 , use ://website.com . It’s better for SEO and hides the database structure from prying eyes.
While dorking itself isn't illegal—you're just using a search engine—using these results to access or disrupt a system without permission is a violation of the law (such as the CFAA in the United States). How Developers Can Stay Safe
: This is the #1 defense against SQL injection. It ensures that data sent by a user is never treated as a command.





