[wp-trac] [WordPress Trac] #38571: Customizer preview blocked by content security policy

[WordPress Trac]

#38571: Customizer preview blocked by content security policy
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 Reporter:  rahilwazir    |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.7
Component:  Customize     |    Version:
 Severity:  normal        |   Keywords:  reporter-feedback
  Focuses:                |
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 With the introduction of changesets (#30937) and previewing natural URLs
 as opposed to using `document.write()` to load the preview, Firefox
 specifically sometimes blocks rendering the preview due to a content
 security policy violation.

 Originally reported at https://wordpress.org/support/topic/blocked-by-
 content-security-policy/

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Ticket URL: <https://core.trac.wordpress.org/ticket/38571>
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