[wp-trac] [WordPress Trac] #59239: wp_generate_uuid4 collisions

WordPress Trac noreply at wordpress.org
Wed Mar 18 22:37:15 UTC 2026


#59239: wp_generate_uuid4 collisions
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 Reporter:  joppuyo                         |       Owner:  jorbin
     Type:  defect (bug)                    |      Status:  assigned
 Priority:  normal                          |   Milestone:  7.0
Component:  General                         |     Version:
 Severity:  normal                          |  Resolution:
 Keywords:  has-patch needs-testing commit  |     Focuses:
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Comment (by jorbin):

 @siliconforks `mt_rand` is a fallback in the scenario where someone is
 using `wp_generate_uuid4` extremely early. If `random_int` would to be
 used, the logic in wp_rand would need to be duplicated including, a
 fallback for when `random_int` cannot find an appropriate source of
 randomness.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59239#comment:14>
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