Directory traversal vulnerability in login.php in PBLang (PBL) 4.67.16.a and earlier, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the lang parameter.
https://www.exploit-db.com/exploits/4036
https://exchange.xforce.ibmcloud.com/vulnerabilities/34751
http://www.vupen.com/english/advisories/2007/2093
http://www.securityfocus.com/bid/24340