Multiple PHP remote file inclusion vulnerabilities in CodeBB 1.1b3 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter to (1) pass_code.php or (2) lang_select.
https://www.exploit-db.com/exploits/3599
https://exchange.xforce.ibmcloud.com/vulnerabilities/33293
http://www.vupen.com/english/advisories/2007/1148