[wp-trac] [WordPress Trac] #55067: Use of undefined constant ABSPATH - assumed 'ABSPATH' as of WP5.9

[WordPress Trac]

#55067: Use of undefined constant ABSPATH - assumed 'ABSPATH' as of WP5.9
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 Reporter:  maveloweb    |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Security     |     Version:  5.9
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Comment (by maveloweb):

 Small update...

 {{{
 RewriteEngine on
 RewriteCond %{HTTP_REFERER} ^$ [NC,OR]
 RewriteCond %{HTTP_REFERER} ^%{HTTP_HOST} [NC]
 RewriteRule . - [R=403,L]
 }}}

 To block empty referrers as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55067#comment:4>
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