22 April is International Earth Day and guess what… The Earth was hacked by malicious extraterrestrials. Their ultimate plan is to seize control of our planet. It's only you who can save us from this terrible fate.
Build yourself in
The extraterrestrials have upgraded their authentication system and now only them are able to pass. Did you manage to learn their language well enough in order to bypass the the authorization check?
Extortion
Use a Local File Inclusion vulnerability in PHP to get Remote Code Execution by poisoning the session cookie
E.Tree
Using Boolean XPATH Injection to slowly exfiltrate hidden data