CVE-2018-3830
Kibana versions 5.3.0 to 6.4.1 had a cross-site scripting (XSS) vulnerability via the source field formatter that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.
Date published : 2018-09-19
https://discuss.elastic.co/t/elastic-stack-6-4-1-and-5-6-12-security-update/149035