[wp-trac] [WordPress Trac] #47391: AJAX Fails in 5.2.1. Update

[WordPress Trac]

#47391: AJAX Fails in 5.2.1. Update
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 Reporter:  susanfla2       |       Owner:  (none)
     Type:  defect (bug)    |      Status:  closed
 Priority:  normal          |   Milestone:
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:  invalid
 Keywords:  site-health     |     Focuses:
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Comment (by susanfla2):

 Ajax is part of the core of WordPress i.e., admin-ajax.php. Your latest
 update (which I haven't installed yet) attempts to resolve the issue for
 Site Health.

 What I am seeing is several issues some of which existed prior to 5.2.1
 update in the code but I can't locate the code anymore in the back-end to
 resolve the problem.  For example the following code is related to an old
 theme which put random links in accordion of the customize panel:

 <script type="text/javascript">
 var ajaxurl = "\/wp-admin\/admin-ajax.php",
         pagenow = 'customize';
 </script>

 The code exists in the admin-ajax.php for **pagenow** but doesn't remove
 the links: see image.  There is a series of this types of customization
 the old theme put into the admin on updates.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47391#comment:3>
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