[wp-trac] [WordPress Trac] #64740: credentialless iframe incompatible with some browsers and cross-origin policies

WordPress Trac noreply at wordpress.org
Fri Feb 27 04:45:59 UTC 2026


#64740: credentialless iframe incompatible with some browsers and cross-origin
policies
-------------------------------------+------------------------------
 Reporter:  amykamala                |       Owner:  adamsilverstein
     Type:  defect (bug)             |      Status:  reviewing
 Priority:  normal                   |   Milestone:  7.0
Component:  Editor                   |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:
-------------------------------------+------------------------------

Comment (by adamsilverstein):

 @mattshaw can you give https://github.com/WordPress/gutenberg/pull/75991 a
 test to see if it resolved your issue? it eliminates the need for
 credentialless by using a newer browser feature (Document-Isolation-
 Policy)

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Ticket URL: <https://core.trac.wordpress.org/ticket/64740#comment:16>
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