A Cross-Site Scripting (XSS) CWE-79 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server MEG6501-0002 - U.motion KNX Server Plus MEG6260-0410 - U.motion KNX Server Plus Touch 10 MEG6260-0415 - U.motion KNX Server Plus Touch 15) which could allow an attacker to inject client-side script when a user visits a web page.