[tor-bugs] #18080 [Applications/Tor Browser]: CORS header 'Access-Control-Allow-Origin' missing (was: Firefox bug - CORS header 'Access-Control-Allow-Origin' missing)

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#18080: CORS header 'Access-Control-Allow-Origin' missing
--------------------------------------+--------------------------
 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:  tbb-usability-website     |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------
Changes (by cypherpunks):

 * priority:  Medium => High
 * status:  needs_information => new
 * severity:  Normal => Major


Comment:

 After some time Tor Browser forgets/messes with headers of the same
 resources which worked before. That leads to
 {{{
 Error Connecting (Error: xhr poll error)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18080#comment:17>
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