The latest FCKeditor proof absolute path vulnerability-vulnerability warning-the black bar safety net

Code: FCKeditor/editor/filemanager/connectors/asp/connector. asp? Command=CreateFolder&Type=File&CurrentFolder=%2F&NewFolderName=aux Version not test it. Principle: create an aux folder, aux in the windows system is not supported, so will complain, broke the absolute path, this relatively...