[wp-trac] [WordPress Trac] #47980: New wp_validate_redirect() removes domain in some circumstances.

[WordPress Trac]

#47980: New wp_validate_redirect() removes domain in some circumstances.
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 Reporter:  rconde        |       Owner:  SergeyBiryukov
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  trunk
 Severity:  critical      |  Resolution:
 Keywords:                |     Focuses:  accessibility
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Comment (by jmmathc):

 Can confirm it happens on Windows when logging out. I'd say it's because
 `dirname` returns backslashes on Windows, and they're not stripped
 correctly.

 I've temporarily patched my servers with this fix, on the line that left
 trims the slash from `$path`:

 `$location = '/' . ltrim( $path . '/', '/\\' ) . $location;`

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Ticket URL: <https://core.trac.wordpress.org/ticket/47980#comment:2>
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