Re: [tor-bugs] #30657 [Applications/Tor Browser]: Tor Browser locale is leaked via title of link tag on non-html page (was: Tor Browser locale is leaked via title of link tag on 404 error page)

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#30657: Tor Browser locale is leaked via title of link tag on non-html page
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 Reporter:  gk                         |          Owner:  tbb-team
     Type:  defect                     |         Status:  new
 Priority:  High                       |      Milestone:
Component:  Applications/Tor Browser   |        Version:
 Severity:  Normal                     |     Resolution:
 Keywords:  tbb-fingerprinting-locale  |  Actual Points:
Parent ID:                             |         Points:
 Reviewer:                             |        Sponsor:
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Description changed by gk:

Old description:

> ryotak reported via our HackerOne bug bounty program that the Tor Browser
> locale is leaked via the title of link tag on 404 error page.
>
> For a test ryotak came up with see:
> https://people.torproject.org/~gk/tests/tor_plaintext_locale_leak.html.

New description:

 ryotak reported via our HackerOne bug bounty program that the Tor Browser
 locale is leaked via the title of the link tag on any non-html page.

 For a test ryotak came up with see:
 https://people.torproject.org/~gk/tests/tor_plaintext_locale_leak.html.

--

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30657#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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