[wp-trac] [WordPress Trac] #56359: Non-existent URLs show contents of homepage instead of 404 error

[WordPress Trac]

#56359: Non-existent URLs show contents of homepage instead of 404 error
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 Reporter:  softrain      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Permalinks    |    Version:  6.0
 Severity:  normal        |   Keywords:
  Focuses:                |
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 In a fresh install of WordPress, I noticed that non-existent URLs would
 show the contents of the homepage instead of returning 404 Not Found. For
 example, when WordPress is configured to use the “Plain” permalink
 structure (which is the default), going to `http://example.com/does-not-
 exist/` would display the homepage instead of returning 404. The only time
 a 404 might be shown is when trying to access a post by its ID. For
 example, `http://example.com/?p=9999`. Is there something wrong with the
 “Plain” permalink setting that causes it to display the contents of the
 homepage instead of returning 404?

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Ticket URL: <https://core.trac.wordpress.org/ticket/56359>
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