A vulnerability has been found in Dianping CAT 3.0.0/3.1.0/4.0-RC1. This vulnerability affects the function Model.getDomain of the file WEB-INF/tags/hourlyReport.tag of the component Report Handler. The manipulation of the argument domain leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.