Cross-site scripting (XSS) vulnerability in the comment posting feature in LightNEasy 2.2.1 "no database" (aka flat) and 2.2.2 SQLite allows remote attackers to inject arbitrary web script or HTML via the (1) commentname (aka Author), (2) commentemail (aka Email), and (3) commentmessage (aka Comment) parameters.  NOTE: some of these details are obtained from third party information.