The host is installed with Atlassian Jira Server before 8.5.10, or 8.6.0 before 8.13.1 and is prone to a cross-site request forgery vulnerability. A flaw is present in the application which fails to properly handle an issue in the referrer headers which discloses a user's CSRF token. Successful exploitation could allow remote attackers to modify various resources via a cross-site request forgery (CSRF) vulnerability, following an information disclosure vulnerability.