Multiple PHP remote file inclusion vulnerabilities in burnCMS 0.2 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the root parameter to (1) mysql.class.php or (2) postgres.class.php in lib/db/; or (3) authuser.php, (4) misc.php, or (5) connect.php in lib/.
https://www.exploit-db.com/exploits/3809
https://exchange.xforce.ibmcloud.com/vulnerabilities/33938
http://www.vupen.com/english/advisories/2007/1557