[wp-trac] [WordPress Trac] #30959: race condition in wp_insert_user()

[WordPress Trac]

#30959: race condition in wp_insert_user()
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 Reporter:  hanelyp       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  4.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Possibility exists for a user record insert between check if a user name
 already exists and actual database insert.  A unique index on
 wp_users.user_login would prevent this, and allow the code to operate
 without a separate database query to check for an existing user.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30959>
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