Description
Kibana versions 5.1.1 to 6.1.2 and 5.6.6 had a cross-site scripting (XSS) vulnerability via the colored fields formatter that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.
Remediation
References
http://www.securityfocus.com/bid/102734
https://discuss.elastic.co/t/elastic-stack-6-1-2-and-5-6-6-security-update/115763