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.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.