[wp-trac] [WordPress Trac] #64803: Media: Skip cross-origin isolation for third-party page builders

WordPress Trac noreply at wordpress.org
Thu Mar 5 10:11:26 UTC 2026


#64803: Media: Skip cross-origin isolation for third-party page builders
-----------------------------+------------------------------
 Reporter:  adamsilverstein  |       Owner:  adamsilverstein
     Type:  defect (bug)     |      Status:  assigned
 Priority:  normal           |   Milestone:  7.0
Component:  Media            |     Version:  trunk
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:
-----------------------------+------------------------------

Comment (by manhar):

 Tested with WordPress trunk and Elementor.

 Before applying the patch:
 Cross-Origin-Embedder-Policy and Cross-Origin-Opener-Policy headers were
 present when opening the editor with action=elementor.
 https://postimg.cc/HctzBfPB


 After applying the patch:
 These headers are no longer sent for post.php?post=68&action=elementor.
 https://postimg.cc/Jt45RYF0

 Patch works as expected.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64803#comment:3>
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