[wp-trac] [WordPress Trac] #43393: get_user_by can return wrong user info

[WordPress Trac]

#43393: get_user_by can return wrong user info
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 Reporter:  hberberoglu   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Users         |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  performance
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Changes (by ocean90):

 * version:  4.9.4 =>


Comment:

 This is actually a bug in the drop-in caused by this line:
 `return preg_replace('/\s+/', '', WP_CACHE_KEY_SALT .
 "$prefix$group:$key"); `.

 Using a placeholder in cache keys rather than simply stripping out spaces
 would solve this.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43393#comment:1>
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