[tor-bugs] #21685 [Applications/Tor Browser]: Remote New Tab pages have access to internal browser APIs in Firefox 52

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#21685: Remote New Tab pages have access to internal browser APIs in Firefox 52
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must,              |  Actual Points:
  TorBrowserTeam201703                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor4
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Comment (by cypherpunks):

 We should replace about:newtab with about:tor via Torbutton using
 NewTabURL.jsm API https://bugzilla.mozilla.org/show_bug.cgi?id=1118285
 or via direct Firefox patch.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21685#comment:2>
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