[wp-trac] [WordPress Trac] #64771: Existing block level custom CSS in a post breaks when the post is edited by user without unfiltered_html

WordPress Trac noreply at wordpress.org
Fri Apr 17 04:25:18 UTC 2026


#64771: Existing block level custom CSS in a post breaks when the post is edited by
user without unfiltered_html
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 Reporter:  glendaviesnz                          |       Owner:  (none)
     Type:  defect (bug)                          |      Status:  new
 Priority:  high                                  |   Milestone:  7.0
Component:  Editor                                |     Version:  trunk
 Severity:  critical                              |  Resolution:
 Keywords:  has-patch has-unit-tests 2nd-opinion  |     Focuses:
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Comment (by ramonopoly):

 Looks like this one needs to move ahead?

 > Show a simple warning notice and punt a more complete solution to 7.1

 I'll rebase and test the [https://github.com/WordPress/wordpress-
 develop/pull/11347 patch].

 It'd be helpful to get some final eyes on it too if folks can spare the
 time before the general release.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/64771#comment:53>
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