The administration web console in Apache ActiveMQ 5.x before 5.11.4, 5.12.x before 5.12.3, and 5.13.x before 5.13.2 allows remote authenticated users to conduct cross-site scripting (XSS) attacks and consequently obtain sensitive information from a Java memory dump via vectors related to creating a queue.
https://bugzilla.redhat.com/show_bug.cgi?id=1317516
http://packetstormsecurity.com/files/136215/Apache-ActiveMQ-5.13.0-Cross-Site-Scripting.html