Multiple unrestricted file upload vulnerabilities in w-Agora (Web-Agora) allow remote attackers to upload and execute arbitrary PHP code (1) via a forum message with an attached file, which is stored under forums/hello/hello/notes/ or (2) by using browse_avatar.php to upload a file with a double extension, as demonstrated by .php.jpg.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33173
http://www.securityfocus.com/archive/1/463286/100/0/threaded
http://securityreason.com/securityalert/2462