File static/cke/plugins/svgedit/plugin.js
Line 20
$("<div id='svg-frame-hold' style='position: fixed;width: 900px; height:600px; background: #000; top: 40px;'><iframe id='svg_edit_frame'  style='width: 100%;height: 100%; min-height: 630px;' src='"+url+"'></iframe></div>").appendTo("body");
Sửa nó thành
$("<div id='svg-frame-hold' style='z-index:1000; position: fixed;width: 900px; height:600px; background: #000; top: 40px;'><iframe id='svg_edit_frame'  style='width: 100%;height: 100%; min-height: 630px;' src='"+url+"'></iframe></div>").appendTo("body");