### [CVE-2017-18893](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18893) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS. ### POC #### Reference - https://mattermost.com/security-updates/ #### Github No PoCs found on GitHub currently.