SQL injection vulnerability in forum.php in the Minerva mod 2.0.21 build 238a and earlier for phpBB allows remote attackers to execute arbitrary SQL commands via the c parameter.
https://www.exploit-db.com/exploits/3519
https://exchange.xforce.ibmcloud.com/vulnerabilities/33082
http://www.vupen.com/english/advisories/2007/1028