Is "Outline me" on Firefox Add-ons Safe to Install?

Lucas Coelho · firefox · v1.1

It'll redirect the active tab to https://outline.com/https://current-tab-url.com on pressing extension's button OR by: ⌥ +⇧+O (Option+Shift+O - macOS) ⎇+⇧+O (Alt+Shift+O - other OS)

Risk Assessment

Analyzed
19.62
out of 100
MINIMAL

9 security findings detected across all analyzers

Firefox extension requesting 1 permission

Severity Breakdown

0
Critical
0
High
9
Medium
0
Low
0
Info

Finding Categories

9
IoC Indicators

Requested Permissions

1 permission
activeTab
Medium

About This Extension

It'll redirect the active tab to <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/c4bdb849cd1f2290c3a118e9a569bc77518f9c38b22826b1a4879fae0dd22d1c/https%3A//outline.com/https%3A//current-tab-url.com" rel="nofollow">https://outline.com/https://current-tab-url.com</a> on pressing extension's button OR by: ⌥ +⇧+O (Option+Shift+O - macOS) ⎇+⇧+O (Alt+Shift+O - other OS)

No Findings

All security checks passed

Indicators of Compromise

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

URLs
2
Domains
6
Strings
9

All Indicators · 9

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Hash
detected MD5 Hash: 8e2fa58fa8752e437a1b946e5fd4e8ee

XIOC detected MD5 Hash: 8e2fa58fa8752e437a1b946e5fd4e8ee

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: t81538a65c135e7d1f3b37e387b4c148c.8e2fa58fa8752e437a1b946e5fd4e8ee.addons.mozilla.org

XIOC detected Domain: t81538a65c135e7d1f3b37e387b4c148c.8e2fa58fa8752e437a1b946e5fd4e8ee.addons.mozilla.org

extracted_from_files

Domain
detected Domain: outline.com

XIOC detected Domain: outline.com

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: https://outline.com/$

XIOC detected URL: https://outline.com/$

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Outline me is a Firefox Add-ons extension published by Lucas Coelho. Version 1.1 has been analyzed by the Risky Plugins security platform, receiving a risk score of 19.62/100 (MINIMAL risk) based on 9 security findings.

Risk Assessment

This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.

Findings Breakdown

  • Medium: 9 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

Outline me is published by Lucas Coelho on the Firefox Add-ons marketplace. The extension has approximately 26 users.

Recommendation

Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.

Frequently Asked Questions