Social Site Generator (SSG) 2.0 allows remote attackers to read arbitrary files via the file parameter to (1) filedload.php, (2) webadmin/download.php, and (3) webadmin/download_file.php.
https://www.exploit-db.com/exploits/5711
https://exchange.xforce.ibmcloud.com/vulnerabilities/42781
http://www.securityfocus.com/bid/34149