PHP remote file inclusion vulnerability in toplist.php in phpBB TopList 1.3.8 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.
https://www.exploit-db.com/exploits/1724
https://www.exploit-db.com/exploits/1722
https://exchange.xforce.ibmcloud.com/vulnerabilities/26172