Description
An issue was discovered in server.js in TileServer GL through 3.0.0. The content of the key GET parameter is reflected unsanitized in an HTTP response for the application's main page, causing reflected XSS.
Remediation
References
https://github.com/maptiler/tileserver-gl/issues/461
http://packetstormsecurity.com/files/162193/Tileserver-gl-3.0.0-Cross-Site-Scripting.html