CVE-2018-20232

The labels widget gadget in Atlassian Jira before version 7.6.11 and from version 7.7.0 before version 7.13.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the rendering of retrieved content from a url location that could be manipulated by the up_projectid widget preference setting.

Source: CVE-2018-20232