The Atlassian Jira IconUriServlet of the OAuth Plugin from version 1.3.0 before version 1.9.12 and from version 2.0.0 before version 2.0.4 contains a cross-site scripting vulnerability which allows remote attackers to access the content of internal network resources and/or perform an attack via Server Side Request Forgery.
View the template here CVE-2017-9506.yaml
References:
http://dontpanic.42.nl/2017/12/there-is-proxy-in-your-atlassian.html