Cross-site scripting (XSS) vulnerability in the Orchard.Comments module in Orchard before 1.6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000057
http://jvn.jp/en/jp/JVN53622030/index.html
http://docs.orchardproject.net/Documentation/Patch-4-30-2013