Is "Open in Brave Browser" on Firefox Add-ons Safe to Install?

Brian · firefox · v0.2.0

Open current page, link, or all tabs in the Brave browser. "Open in Brave" extension is meant to open the current tab or links inside the current tab in Brave browser. Using this extension you can send links to the Brave browser without the need to manually copy and paste links. This extension also offers open all tabs in the destination browser. Optionally you can close the tab that is opened in the destination browser too. If a Brave instance is already opened, then the link is opened in a new browser tab, however, if Brave is not opened, a new Brave instance is opened and then the link is sent. For FAQs please visit: https://add0n.com/open-in.html --- Note 1. For this extension to open links in the Brave browser you will need to install a minimal native client. The instruction to install the native client is displayed once a link opening is requested. There are two short video tutorials in the screenshot section for Windows, Linux, and Mac operation systems if you want to see the installation steps of the native client. 2. The native client currently only supports Mac, Windows and Linux operating systems. There is no support for other OSs at the moment.

Risk Assessment

Analyzed
56.88
out of 100
MEDIUM

85 security findings detected across all analyzers

Firefox extension requesting 7 permissions

Severity Breakdown

0
Critical
22
High
63
Medium
0
Low
0
Info

Finding Categories

22
Malware Signatures
1
Network
59
IoC Indicators

YARA Rules Matched

8 rules(22 hits)
postinstall file manipulation postinstall network communication postinstall file download postinstall system command credential env files postinstall persistence mechanism postinstall obfuscation RedirectToUnknownPath

Requested Permissions

7 permissions
nativeMessaging

Exchange messages with programs outside the browser

Dangerous
<all_urls>

Access and modify data on every website you visit

Dangerous
downloads

Manage, modify, and monitor downloads

High
activeTab
Medium
tabs
Medium
storage
Low
contextMenus
Low

About This Extension

Open current page, link, or all tabs in the Brave browser. "Open in Brave" extension is meant to open the current tab or links inside the current tab in Brave browser. Using this extension you can send links to the Brave browser without the need to manually copy and paste links. This extension also offers open all tabs in the destination browser. Optionally you can close the tab that is opened in the destination browser too. If a Brave instance is already opened, then the link is opened in a new browser tab, however, if Brave is not opened, a new Brave instance is opened and then the link is sent. For FAQs please visit: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/25d2eb1f0d7e82a1268d20e39af6b7cba91f3ac42b9ccbf53b8cd3268c4a0819/https%3A//add0n.com/open-in.html" rel="nofollow">https://add0n.com/open-in.html</a> --- Note 1. For this extension to open links in the Brave browser you will need to install a minimal native client. The instruction to install the native client is displayed once a link opening is requested. There are two short video tutorials in the screenshot section for Windows, Linux, and Mac operation systems if you want to see the installation steps of the native client. 2. The native client currently only supports Mac, Windows and Linux operating systems. There is no support for other OSs at the moment.

Detailed Findings

24 total

YARA Rule Matches

8 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
21
IP Addresses
2
Domains
36
Strings
59

All Indicators · 59

URL
detected Domain: urls.map

XIOC detected Domain: urls.map

extracted_from_files

Domain
detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

URL
detected URL: https://webextension.org/listing/open-in.html#faq17

XIOC detected URL: https://webextension.org/listing/open-in.html#faq17

extracted_from_files

URL
detected URL: https://webextension.org/listing/open-in.html?from=brave

XIOC detected URL: https://webextension.org/listing/open-in.html?from=brave

extracted_from_files

Hash
detected MD5 Hash: 0db2db371d260c17859d7ad8f09cb0cf

XIOC detected MD5 Hash: 0db2db371d260c17859d7ad8f09cb0cf

extracted_from_files

URL
detected URL: https://github.com/andy-portmen/native-client/releases');

XIOC detected URL: https://github.com/andy-portmen/native-client/releases');

extracted_from_files

URL
detected URL: http://www.w3.org/2000/svg

XIOC detected URL: http://www.w3.org/2000/svg

extracted_from_files

URL
detected URL: http://www.w3.org/1999/xlink

XIOC detected URL: http://www.w3.org/1999/xlink

extracted_from_files

URL
detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

XIOC detected URL: http://www.w3.org/1999/02/22-rdf-syntax-ns#

extracted_from_files

URL
detected URL: http://ns.adobe.com/tiff/1.0/

XIOC detected URL: http://ns.adobe.com/tiff/1.0/

extracted_from_files

URL
detected URL: https://www.google')

XIOC detected URL: https://www.google')

extracted_from_files

URL
detected URL: https://www.google.com/,

XIOC detected URL: https://www.google.com/,

extracted_from_files

URL
detected URL: https://github.com/andy-portmen/native-client

XIOC detected URL: https://github.com/andy-portmen/native-client

extracted_from_files

URL
detected URL: https://www.chromium.org/for-testers/enable-logging

XIOC detected URL: https://www.chromium.org/for-testers/enable-logging

extracted_from_files

URL
detected URL: https://developer.mozilla.org/docs/Tools/Browser_Console

XIOC detected URL: https://developer.mozilla.org/docs/Tools/Browser_Console

extracted_from_files

URL
detected URL: https://www.youtube.com/watch?v=yZAoy8SOd7o

XIOC detected URL: https://www.youtube.com/watch?v=yZAoy8SOd7o

extracted_from_files

Domain
detected Domain: window.top

XIOC detected Domain: window.top

extracted_from_files

URL
detected URL: https://api.github.com/repos/andy-portmen/*']

XIOC detected URL: https://api.github.com/repos/andy-portmen/*']

extracted_from_files

URL
detected URL: https://api.github.com/repos/andy-portmen/native-client/releases/latest');

XIOC detected URL: https://api.github.com/repos/andy-portmen/native-client/releases/latest');

extracted_from_files

Domain
detected Domain: sender.tab.id

XIOC detected Domain: sender.tab.id

extracted_from_files

Domain
detected Domain: date.now

XIOC detected Domain: date.now

extracted_from_files

URL
detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

URL
detected URL: http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'

XIOC detected URL: http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'

extracted_from_files

URL
detected URL: https://github.com/andy-portmen/native-client/releases

XIOC detected URL: https://github.com/andy-portmen/native-client/releases

extracted_from_files

Domain
detected Domain: app.id

XIOC detected Domain: app.id

extracted_from_files

IP
detected IP: ::

XIOC detected IP: ::

extracted_from_files

Domain
detected Domain: app.runtime.windows.name

XIOC detected Domain: app.runtime.windows.name

extracted_from_files

Domain
detected Domain: tabs.map

XIOC detected Domain: tabs.map

extracted_from_files

Domain
detected Domain: t.id

XIOC detected Domain: t.id

extracted_from_files

Domain
detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Domain
detected Domain: app.locale.call

XIOC detected Domain: app.locale.call

extracted_from_files

Domain
detected Domain: www.google

XIOC detected Domain: www.google

extracted_from_files

Domain
detected Domain: www.google.com

XIOC detected Domain: www.google.com

extracted_from_files

Domain
detected Domain: bing.com

XIOC detected Domain: bing.com

extracted_from_files

Domain
detected Domain: webextension.org

XIOC detected Domain: webextension.org

extracted_from_files

Domain
detected Domain: app.locale.name

XIOC detected Domain: app.locale.name

extracted_from_files

Domain
detected Domain: app.runtime.linux.name

XIOC detected Domain: app.runtime.linux.name

extracted_from_files

Domain
detected Domain: console.info

XIOC detected Domain: console.info

extracted_from_files

Domain
detected Domain: location.search

XIOC detected Domain: location.search

extracted_from_files

Domain
detected Domain: notify.show

XIOC detected Domain: notify.show

extracted_from_files

Domain
detected Domain: req.open

XIOC detected Domain: req.open

extracted_from_files

Domain
detected Domain: chrome.downloads.download

XIOC detected Domain: chrome.downloads.download

extracted_from_files

Domain
detected Domain: a.name

XIOC detected Domain: a.name

extracted_from_files

Domain
detected Domain: ns.adobe.com

XIOC detected Domain: ns.adobe.com

extracted_from_files

URL
detected URL: https://www.youtube.com/watch?v=2asPoW2gJ-c

XIOC detected URL: https://www.youtube.com/watch?v=2asPoW2gJ-c

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain
detected Domain: www.chromium.org

XIOC detected Domain: www.chromium.org

extracted_from_files

Domain
detected Domain: developer.mozilla.org

XIOC detected Domain: developer.mozilla.org

extracted_from_files

Domain
detected Domain: www.youtube.com

XIOC detected Domain: www.youtube.com

extracted_from_files

Domain
detected Domain: install.sh

XIOC detected Domain: install.sh

extracted_from_files

Domain
detected Domain: uninstall.sh

XIOC detected Domain: uninstall.sh

extracted_from_files

Domain
detected Domain: api.github.com

XIOC detected Domain: api.github.com

extracted_from_files

IP
detected IP: ::af

XIOC detected IP: ::af

extracted_from_files

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain
detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Domain
detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain
detected Domain: t29594a2d6febc2f494e47410343a446b.0db2db371d260c17859d7ad8f09cb0cf.addons.mozilla.org

XIOC detected Domain: t29594a2d6febc2f494e47410343a446b.0db2db371d260c17859d7ad8f09cb0cf.addons.mozilla.org

extracted_from_files

URL
detected URL: https://bing.com/

XIOC detected URL: https://bing.com/

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Open in Brave Browser is a Firefox Add-ons extension published by Brian. Version 0.2.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 56.88/100 (MEDIUM risk) based on 85 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

  • High: 22 finding(s)
  • Medium: 63 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Open in Brave Browser is published by Brian on the Firefox Add-ons marketplace. The extension has approximately 382 users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

Frequently Asked Questions

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