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[tor-bugs] #25072 [HTTPS Everywhere/EFF-HTTPS Everywhere]: New Identity does not clear extension storage



#25072: New Identity does not clear extension storage
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     Reporter:  kmodi                                  |      Owner:  jsha
         Type:  defect                                 |     Status:  new
     Priority:  Medium                                 |  Milestone:
    Component:  HTTPS Everywhere/EFF-HTTPS Everywhere  |    Version:
     Severity:  Normal                                 |   Keywords:
Actual Points:                                         |  Parent ID:
       Points:                                         |   Reviewer:
      Sponsor:                                         |
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 When "New Identity" button is pressed, the information stored by
 extensions like HTTPS Everywhere is not cleared.

 This might contain information, like domains which the user added as an
 exception.
 Because, this persists on disk and is not cleared on Tor shoutdown or
 manually clicking "New Identity", it leaves traces of users browsing
 habits.

 Steps to reproduce:
 1. Visit a website like cnn.com.
 2. Click on HTTPS Everywhere Icon, and uncheck CNN.COM.
 3. Restart Tor or Click on New Identity,
 4. Visit the same site again, the setting is remembered by extension.

 Data on disk:
 ~/Library/Application\ Support/TorBrowser-Data/Browser/profile/browser-
 extension-data/https-everywhere-
 eff@xxxxxxx/storage.js:{"ruleActiveStates":{"CNN.com
 (partial)":false},"migration_version":1}

 Ideally, extensions should be careful while saving data to disks. But may
 be Tor can also clear the storage on New Identity.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25072>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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