X-Scripts X-Poll (xpoll) 2.30 allows remote attackers to execute arbitrary PHP code by using admin/images/add.php to upload a PHP file, then access it.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26363
http://www.vupen.com/english/advisories/2006/1732
http://www.securityfocus.com/bid/17901
http://www.securityfocus.com/archive/1/433220/100/0/threaded