Directory traversal vulnerability in admin/inc/help.php in ZZ:FlashChat 3.1 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the file parameter.
https://www.exploit-db.com/exploits/4546
https://exchange.xforce.ibmcloud.com/vulnerabilities/37293
http://www.vupen.com/english/advisories/2007/3570