PHP remote file include vulnerability in index.php in SMartBlog (aka SMBlog) 1.2 allows remote attackers to include and execute arbitrary PHP files via (1) the pg parameter and (2) a query string without a parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25220
http://www.securityfocus.com/bid/16905
http://www.securityfocus.com/archive/1/426498/100/0/threaded