Step 1: First,you must login on [AdminCP], and select [Download / Upload Styles] from [Styles & Templates].
Step 2: Now, browse the .XML file, select [Ignore Style Version - YES], and after click [Import].
Step 3: Back to [Style Manager], and click on the uploaded style [ex: insecurity.xml], and you can see your shell.
Save this code as: insecurity.xml
http://pastebin.com/HppDsTau