WuzhiCMS Remote Image Fetch index.php saveRemote server-side request forgery

A flaw has been found in WuzhiCMS up to 4.1.0. The impacted element is the function ckditor::saveRemote of the file coreframe/app/attachment/index.php of the component Remote Image Fetch. This manipulation of the argument source[] causes server-side request forgery. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.