PHP remote file inclusion vulnerability in mutant_functions.php in the Mutant 0.9.2 portal for phpBB 2.2 allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.
https://www.exploit-db.com/exploits/3665
https://euvd.enisa.europa.eu/vulnerability/EUVD-2007-1955
http://www.vupen.com/english/advisories/2007/1265