Kibana versions 4.0 to 4.6, 5.0 to 5.6.12, and 6.0 to 6.4.2 contain an error in the way authorization credentials are used when generating PDF reports. If a report requests external resources plaintext credentials are included in the HTTP request that could be recovered by an external resource provider.
Cross-site scripting (XSS) vulnerability in Elasticsearch Kibana 4.x before 4.0.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.