Cross-site scripting (XSS) vulnerability in 500page.jsp in JIRA Enterprise Edition before 3.12.1 allows remote attackers to inject arbitrary web script or HTML, which is not properly handled when generating error messages, as demonstrated by input originally sent in the URI to secure/CreateIssue. NOTE: some of these details are obtained from third party information.
http://www.securityfocus.com/bid/27095
http://www.securityfocus.com/bid/27094
http://secunia.com/advisories/27954
http://jira.atlassian.com/browse/CONF-9560
http://confluence.atlassian.com/display/JIRA/JIRA+Security+Advisory+2007-12-24