[tbb-bugs] #20752 [Applications/Tor Browser]: Search box with DuckDuckGo (and other search engines) is broken on security level High and Medium-High

[Tor Bug Tracker & Wiki]

#20752: Search box with DuckDuckGo (and other search engines) is broken on security
level High and Medium-High
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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:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by gk):

 Replying to [comment:2 ma1]:
 > We're investigating this here:
 >
 > https://forums.informaction.com/viewtopic.php?f=7&t=22296
 >
 > BTW, does the Tor Browser have its own customized mandatory whitelist?
 If so, you should add  [System+Principal] (yes, with the "+" instead of "
 "), which is in NoScript's default and should fix half of the cases.

 Actually, we don't have a customized whitelist. We are just using NoScript
 as is in that regard. What do you mean with "which is in NoScript's
 default"? If I open a clean new Firefox profile and install NoScript I get
 exactly the same XSS protection exceptions as we ship in Tor Browser and
 `[System+Principal]` is not among them.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20752#comment:3>
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