PHP remote file inclusion vulnerability in hioxRandomAd.php in HIOX Random Ad (HRA) 1.3 allows remote attackers to execute arbitrary PHP code via a URL in the hm parameter.
https://www.exploit-db.com/exploits/6161
https://exchange.xforce.ibmcloud.com/vulnerabilities/44061
http://www.securityfocus.com/bid/30435
http://www.securityfocus.com/archive/1/494927/100/0/threaded