Cross-site scripting (XSS) vulnerability in a mail component in Cybozu Garoon 2.x and 3.x before 3.7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://support.cybozu.com/ja-jp/article/6166
http://jvndb.jvn.jp/jvndb/JVNDB-2013-000113