Unrestricted file upload vulnerability in doupload.php in the Nmedia Member Conversation plugin before 1.4 for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/user_uploads.
https://exchange.xforce.ibmcloud.com/vulnerabilities/76076
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-3524
http://www.securityfocus.com/bid/53790
http://wordpress.org/extend/plugins/wordpress-member-private-conversation/changelog/