### [CVE-2017-8440](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8440) ![](https://img.shields.io/static/v1?label=Product&message=Kibana&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=5.3.0%20to%205.3.3%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Version&message=5.4.1%20&color=brightgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%3A%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brightgreen) ### Description Starting in version 5.3.0, Kibana had a cross-site scripting (XSS) vulnerability in the Discover page that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users. ### POC #### Reference - https://www.elastic.co/blog/kibana-5-4-1-and-5-3-3-released - https://www.elastic.co/community/security #### Github No PoCs found on GitHub currently.