[wp-trac] [WordPress Trac] #19693: redirect_guess_404_permalink() can catch the wrong post types

[WordPress Trac]

#19693: redirect_guess_404_permalink() can catch the wrong post types
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 Reporter:  nacin         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  3.4
Component:  Canonical     |    Version:
 Severity:  normal        |   Keywords:
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 When I access /blah, and that 404s, redirect_guess_404_permalink() will
 try to find a matching post name.

 If blah is the start of a post name for a random post type (perhaps one
 used as internal storage), it'll match it and redirect (and then end up
 404ing, potentially). There's no constraint on the post type if the
 post_type query var isn't set, which is going to be common.

 We need to come up with a stricter query. (And while we're at it, we
 should hook redirect_guess_404_permalink() into redirect_canonical() so it
 may be unhooked without removing all canonical support.)

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Ticket URL: <http://core.trac.wordpress.org/ticket/19693>
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