XML external entity (XXE) vulnerability in the XML Exchange module in Apache Qpid 0.30 allows remote attackers to cause outgoing HTTP connections via a crafted message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/98575
http://www.securityfocus.com/bid/71004
http://www.securityfocus.com/archive/1/533943/100/0/threaded
http://secunia.com/advisories/62235
http://packetstormsecurity.com/files/129034/Apache-Qpid-0.30-Induced-HTTP-Requests.html