### [CVE-2019-15618](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15618) ![](https://img.shields.io/static/v1?label=Product&message=Nextcloud%20Server&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=Cross-site%20Scripting%20(XSS)%20-%20Reflected%20(CWE-79)&color=brighgreen) ### Description Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location. ### POC #### Reference - https://hackerone.com/reports/515484 #### Github No PoCs found on GitHub currently.