原文如下:
Hello there,
I would like to inform you about critical security problems with previous releases of DotNetNuke.
If you haven't done already, you are strongly advised to upgrade DotNetNuke to 4.8.3 as soon as possible.
For more information please read following articles:
http://www.dotnetnuke.com/Community/Blogs/tabid/825/EntryID/1846/Default.aspx
To download latest release of DotNetNuke please click here
Regards.