Is "Add to NotebookLM" on Firefox Add-ons Safe to Install?

WhoSowSee · firefox · v1.3.0

Add to NotebookLM is a Firefox extension for sending web pages, YouTube videos, playlists, channels, and comments to Google NotebookLM in a few clicks. It supports bulk import from pasted links and open tabs, creating notebooks from the extension, adding pages as PDF snapshots, multiple Google accounts, multilingual UI, and theme selection

Risk Assessment

Analyzed
100
out of 100
CRITICAL

116 security findings detected across all analyzers

Firefox extension requesting 8 permissions

Severity Breakdown

0
Critical
111
High
5
Medium
0
Low
0
Info

Finding Categories

111
Malware Signatures
4
Network

YARA Rules Matched

8 rules(111 hits)
postinstall file manipulation postinstall file download postinstall system command postinstall network communication postinstall obfuscation NoUseWeakRandom postinstall persistence mechanism postinstall crypto operations

Requested Permissions

8 permissions
tabs
Medium
activeTab
Medium
storage
Low
scripting
Low
contextMenus
Low
https://notebooklm.google.com/*
Low
https://www.youtube.com/*
Low
https://accounts.google.com/*
Low

About This Extension

Add to NotebookLM is a Firefox extension for sending web pages, YouTube videos, playlists, channels, and comments to Google NotebookLM in a few clicks. It supports bulk import from pasted links and open tabs, creating notebooks from the extension, adding pages as PDF snapshots, multiple Google accounts, multilingual UI, and theme selection

Detailed Findings

116 total

YARA Rule Matches

8 rules

Security Analysis Summary

Security Analysis Overview

Add to NotebookLM is a Firefox Add-ons extension published by WhoSowSee. Version 1.3.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 116 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

  • High: 111 finding(s)
  • Medium: 5 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

Add to NotebookLM is published by WhoSowSee on the Firefox Add-ons marketplace. The extension has approximately 62 users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions

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