IBM WebSphere Commerce 6.x through 6.0.0.11 and 7.x through 7.0.0.8 allows remote authenticated users to read arbitrary files or send TCP requests to intranet servers via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
https://exchange.xforce.ibmcloud.com/vulnerabilities/94836
http://www.securityfocus.com/bid/70872
http://www-01.ibm.com/support/docview.wss?uid=swg21685464