[hackerone] dev tool console leak in Tor window

[darkdh]

https://hackerone.com/reports/1605654

[kjozwiak]

The above will require 1.41.80 or higher for 1.41.x verification 👍

[stephendonner]

Verified PASSED using

Brave	1.41.80 Chromium: 103.0.5060.53 (Official Build) beta (x86_64)
Revision	a1711811edd74ff1cf2150f36ffa3b0dae40b17f-refs/branch-heads/5060@{#853}
OS	macOS Version 11.6.7 (Build 20G630)

First, confirmed issue using 1.40.105

example	example

Steps:

1. installed 1.41.80
2. clicked on the "hamburger" menu
3. clicked on New Private Window with Tor
4. opened Developer Tools
5. clicked on the Console panel
6. typed a=123 and pressed return
7. clicked on the "hamburger" menu
8. clicked on "New Window"
9. clicked on the Console panel
10. pressed the arrow-up key ⬆️

Confirmed no history of previous entry shown

example	example

[stephendonner]

Verified PASSED using

Brave	1.41.80 Chromium: 103.0.5060.53 (Official Build) beta (64-bit)
Revision	a1711811edd74ff1cf2150f36ffa3b0dae40b17f-refs/branch-heads/5060@{#853}
OS	Linux

Steps:

1. installed 1.41.80
2. clicked on the "hamburger" menu
3. clicked on New Private Window with Tor
4. opened Developer Tools
5. clicked on the Console panel
6. typed a=123 and pressed return
7. clicked on the "hamburger" menu
8. clicked on "New Window"
9. clicked on the Console panel
10. pressed the arrow-up key ⬆️

Confirmed no history of previous entry shown

example	example

[MadhaviSeelam]

Verification PASSED using

Brave | 1.41.86 Chromium: 103.0.5060.66 (Official Build) beta (64-bit)
-- | --
Revision | 20b1569438a85e631d15e83eb355e3e326e5da6f-refs/branch-heads/5060@{#1066}
OS | Windows 11 Version 21H2 (Build 22000.739)

Reproduced the issue in 1.40.109

TOR window	Normal window

Steps:

1. installed 1.41.86
2. clicked on the "hamburger" menu
3. clicked on New Private Window with Tor
4. opened Developer Tools
5. clicked on the Console panel
6. typed a=123 and pressed return
7. clicked on the "hamburger" menu
8. clicked on "New Window"
9. clicked on the Console panel
10. pressed the arrow-up key ⬆️

Confirmed no history of previous entry shown

TOR window	Normal window