PHP remote file inclusion vulnerability in install3.php in WEBInsta Mailing List Manager 1.3e allows remote attackers to execute arbitrary PHP code via a URL in the cabsolute_path parameter.
https://www.exploit-db.com/exploits/2171
https://exchange.xforce.ibmcloud.com/vulnerabilities/28340
http://www.securityfocus.com/bid/19477
http://www.securityfocus.com/archive/1/442983/100/0/threaded