[wp-trac] [WordPress Trac] #50532: Undefined index SERVER_NAME

[WordPress Trac]

#50532: Undefined index SERVER_NAME
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 Reporter:  malthert      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Mail          |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 wp-includes/pluggable.php

 {{{#!php
 <?php
 $sitename = strtolower( $_SERVER['SERVER_NAME'] );
 }}}

 1) this requires an !empty check to avoid a notice
 2) I suggest to change this to HTTP_HOST as this is more commonly correct
 (if not set) than SERVER_NAME (maybe fallback to SERVER_NAME)
 3) this must be properly sanitized

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Ticket URL: <https://core.trac.wordpress.org/ticket/50532>
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