The cPanel Manager plugin from iControlWP: Secure Multiple WordPress Management
offers you the ability to connect to your Web Hosting cPanel account.
Currently you can:
With it (in time) you will be able to perform many convenient functions from within your WordPress site that
you would otherwise need to log into your cPanel to do.
Currently, with the initial release it will list your databases, your database users, yours parked and addon domains
and also your crons.