The remote host is missing an update to drupal6 announced via advisory DSA 1792-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201792-1

Multiple vulnerabilities have been discovered in drupal, a web content management system. pod.Edge discovered a cross-site scripting vulnerability due that can be triggered when some browsers interpret UTF-8 strings as UTF-7 if they appear before the generated HTML document defines its Content-Type. This allows a malicious user to execute arbitrary javascript in the context of the web site if they're allowed to post content. Moritz Naumann discovered an information disclosure vulnerability. If a user is tricked into visiting the site via a specially crafted URL and then submits a form (such as the search box) from that page, the information in their form submission may be directed to a third-party site determined by the URL and thus disclosed to the third party. The third party site may then execute a cross-site request forgery attack against the submitted form. For the stable distribution (lenny), these problems have been fixed in version 6.6-3lenny1. The old stable distribution (etch) does not contain drupal and is not affected. For the unstable distribution (sid), these problems have been fixed in version 6.11-1 We recommend that you upgrade your drupal6 package.