The remote host is missing an update to moin announced via advisory DSA 2321-1.
A cross-site scriping vulnerability was discovered in the rst parser of Moin, a Python clone of WikiWiki. For the oldstable distribution (lenny), this problem has been fixed in version 1.7.1-3+lenny6. For the stable distribution (squeeze), this problem has been fixed in version 1.9.3-1+squeeze1. For the unstable distribution (sid), this problem has been fixed in version 1.9.3-3. We recommend that you upgrade your moin packages.