[wp-trac] [WordPress Trac] #44281: Codepen embeds won't render, lacks "referrer"

[WordPress Trac]

#44281: Codepen embeds won't render, lacks "referrer"
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 Reporter:  Joen          |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Embeds        |     Version:  trunk
 Severity:  minor         |  Resolution:
 Keywords:                |     Focuses:
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Comment (by swissspidy):

 Non-whitelisted embeds come with some security restrictions. I guess
 browsers don't send a referrer header in that case.

 To fix this, CodePen should either remove that requirement or we need to
 whitelist them. See #27658.

 Note that some people choose to not send referrers anyway, so even
 whitelisting doesn't help.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44281#comment:2>
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