A vulnerability, which was classified as problematic, was found in WuKongOpenSource WukongCRM 9.0. This affects an unknown part of the file AdminSysConfigController.java of the component File Upload. The manipulation of the argument File 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.