Symptoms

• Confluence configured to be available for anonymous, but it doesn't have "View User Profile" privilege in "Global Permission".
• User profile page looks different than the default as describe here:
  • Default                                                                                                                                                                       
     
  • Modified       
      

Cause

Confluence system add-on named "Confluence Profile" is enabled by administrator. By default, this add-on is suppose to be disabled. 

Resolution

Disabled the add-on as default. "Confluence Profile" add-on is an add-on that is still under the development and it is not suppose to be enabled.