XML external entity (XXE) vulnerability in Apache ActiveMQ Apollo 1.x before 1.7.1 allows remote consumers to have unspecified impact via vectors involving an XPath based selector when dequeuing XML messages.

Apache Axis 1.4 and earlier, as used in PayPal Payments Pro, PayPal Mass Pay, PayPal Transactional Information SOAP, the Java Message Service implementation in Apache ActiveMQ, and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Apache ActiveMQ before 5.6.0 allows remote attackers to cause a denial of service (file-descriptor exhaustion and broker crash or hang) by sending many openwire failover:tcp:// connection requests.

Cross-site request forgery (CSRF) vulnerability in createDestination.action in Apache ActiveMQ before 5.3.1 allows remote attackers to hijack the authentication of unspecified victims for requests that create queues via the JMSDestination parameter in a queue action.

Cross-site scripting (XSS) vulnerability in createDestination.action in Apache ActiveMQ before 5.3.1 allows remote authenticated users to inject arbitrary web script or HTML via the JMSDestination parameter in a queue action.