The HipChat for JIRA plugin before 6.30.0 for Atlassian JIRA allows remote authenticated users to execute arbitrary Java code via unspecified vectors, related to “Velocity Template Injection Vulnerability.”
packetstormsecurity.com/files/133401/Jira-HipChat-For-Jira-Java-Code-Execution.html
www.rapid7.com/db/modules/exploit/multi/http/jira_hipchat_template
www.securityfocus.com/archive/1/536374/100/0/threaded
confluence.atlassian.com/jira/jira-and-hipchat-for-jira-plugin-security-advisory-2015-08-26-776650785.html
www.exploit-db.com/exploits/38551/
www.exploit-db.com/exploits/38905/