PHP remote file inclusion vulnerability in admin/plugins/NP_UserSharing.php in BLOG:CMS 4.1.3 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the DIR_ADMIN parameter.
https://www.exploit-db.com/exploits/2923
https://exchange.xforce.ibmcloud.com/vulnerabilities/30854
http://www.vupen.com/english/advisories/2006/4984
http://securitytracker.com/id?1017375