Gruyère began by testing the application’s search bar. He didn't search for data; he injected a small script—a digital "mold" designed to spread. Because Top Defense had failed to properly sanitize their inputs, Gruyère’s script executed in the browsers of the site’s administrators. With a flick of his wrist, he had hijacked their session cookies. He was inside. The Deep Dive: SQL Injection
XSS is perhaps the most famous web exploit. It occurs when an application includes untrusted data in a web page without proper validation or escaping, allowing an attacker to execute malicious scripts in the victim's browser. The Exploit: gruyere learn web application exploits defenses top