-include-..-2f..-2f..-2f..-2froot-2f Here

On a standard Linux system:

The string is: "-include-..-2F..-2F..-2F..-2Froot-2F" -include-..-2F..-2F..-2F..-2Froot-2F

strings. To bypass these defenses, attackers use various encoding methods. The sequence On a standard Linux system: The string is: "-include-

This is for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more $allowed)) include('pages/' . $_GET['page'] . '.php')

: The ../ sequence instructs the operating system to move up one directory level. By repeating this multiple times, an attacker can "break out" of the application's restricted folder and reach the system's root directory . 2. Evasion Techniques: URL Encoding

$allowed = ['home', 'about', 'contact']; if (in_array($_GET['page'], $allowed)) include('pages/' . $_GET['page'] . '.php');