Directory traversal vulnerability in downloadpic.php in Beryo 2.0, and possibly other versions including 2.4, allows remote attackers to read arbitrary files via a .. (dot dot) in the chemin parameter.
https://www.exploit-db.com/exploits/3676
https://exchange.xforce.ibmcloud.com/vulnerabilities/33479
http://www.vupen.com/english/advisories/2007/1296
http://www.securityfocus.com/bid/23387