Various resources in Atlassian Jira before version 7.6.8, from version 7.7.0 before version 7.7.5, from version 7.8.0 before version 7.8.5, from version 7.9.0 before version 7.9.3, from version 7.10.0 before version 7.10.3 and before version 7.11.1 allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the epic colour field of an issue while an issue is being moved.