[wp-trac] [WordPress Trac] #45990: Bug in function current_user_can prevents admin to access to Dashboard

[WordPress Trac]

#45990: Bug in function current_user_can prevents admin to access to Dashboard
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 Reporter:  DotMG                   |      Owner:  (none)
     Type:  defect (bug)            |     Status:  new
 Priority:  normal                  |  Milestone:  Awaiting Review
Component:  Login and Registration  |    Version:  trunk
 Severity:  major                   |   Keywords:
  Focuses:                          |
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 File :  {{{wp-includes/capabilities.php}}}

 method {{{has_cap}}} is not always defined for the Object
 {{{$current_user}}}, and when this occurs, site Administrator cannot
 access to Dashboard, because the function {{{current_user_can}}} returns
 false.

 The real bug is what caused the method has_cap to be absent for the object
 {{{$current_user}}}, after a successful login. But this patch simply avoid
 the calling of {{{has_cap}}} when it is not available.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45990>
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