[wp-trac] [WordPress Trac] #38060: Add Vary: Origin to CORS responses

[WordPress Trac]

#38060: Add Vary: Origin to CORS responses
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 Reporter:  pdufour                  |       Owner:
     Type:  enhancement              |      Status:  new
 Priority:  normal                   |   Milestone:  4.7
Component:  General                  |     Version:
 Severity:  normal                   |  Resolution:
 Keywords:  2nd-opinion needs-patch  |     Focuses:
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Comment (by kadamwhite):

 Back-filling from slack, I'm +1 on adding this; as @jason_the_adams notes
 `vary: origin` is a W3 CORS implementation recommendation:
 https://www.w3.org/TR/cors/#resource-implementation

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Ticket URL: <https://core.trac.wordpress.org/ticket/38060#comment:6>
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