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

[WordPress Trac]

#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 hdkothari81):

 **Patch Testing Report with 7.0-beta3**
 Patch Tested: https://github.com/WordPress/wordpress-develop/pull/11170

 **Local Environment**
 - WordPress: 7.0-beta3
 - PHP: 8.3.30 (Supports 64bit values)
 - Server: nginx/1.16.0
 - Database: mysqli (Server: 8.0.16 / Client: mysqlnd 8.3.30)
 - Theme: Twenty Twenty-Five 1.4
 - Plugins: Elementor 3.34.4

 **Steps Taken for Testing**
 - Install Elementor latest Version 3.35.6
 - Create a blank page. Confirm editor works (as they have already patched)
 - Rollback Elementor to 3.34.4
 - Try to edit the page. View the following error in console:
 - **Uncaught SecurityError: Failed to read a named property cross-origin
 frame.**
 - Apply patch PR 11170
 - Try to edit the page with Elementor again
 **Patch is solving the problem**

 **Expected result**
 Load Elementor editor properly with no cross-origin errors.

 Before: [https://tinyurl.com/286lyhwu]

 After Video: [https://tinyurl.com/23e7tc5d]

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Ticket URL: <https://core.trac.wordpress.org/ticket/64740#comment:27>
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