Firefox Add-ons

LeetCode VS Code Auth Sync

by wilmtang · 8 users
d37a8b90-da8e-5ae4-821f-225da2f4ab54 | v0.1.6
38/ 100
LOW risk
Risk verdict
No high-risk signal observed

Score-based assessment (low risk, 38/100). No analyst review available.

Analysis record

Analysed
3 months ago
Version
v0.1.6
Artifact
SHA256 6F4…CCC
Source
Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

1 detail row

Publisher Evidence

Limited evidence

wilmtang

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Firefox does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

29
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
4
Portfolio

12 evidence rows available.

Finding Categories

1
Network
11
IoC Indicators

Requested Permissions

5 permissions
cookies

Read and modify cookies on all sites

High
webRequest

Intercept, modify, and block all network requests

High
storage
Low
https://leetcode.com/*
Low
http://127.0.0.1/*
Low

Security Analysis Summary

Security Analysis Overview

LeetCode VS Code Auth Sync is a Firefox Add-ons extension published by wilmtang. Version 0.1.6 has been analyzed by the Risky Plugins security platform, receiving a risk score of 38.21/100 (LOW risk) based on 12 security findings.

Risk Assessment

This extension presents low security risk. Some minor findings were detected, but nothing that would prevent typical usage. Reviewing the detailed findings below is recommended before use in sensitive environments.

Findings Breakdown

  • Medium: 12 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

LeetCode VS Code Auth Sync is published by wilmtang on the Firefox Add-ons marketplace. The extension has approximately 8 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.

About This Extension

Unofficial companion browser extension for LeetCode with Auth Sync. It is not affiliated with, endorsed by, sponsored by, or published by LeetCode. How to use it: 1. Install the VS Code extension from <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/31ec2ce934287bcf5f5d14e0eac45f1989269bf8dce99c3a9ecbab3209dca845/https%3A//marketplace.visualstudio.com/items%3FitemName=wilmtang.vscode-leetcode-auth-sync" rel="nofollow">https://marketplace.visualstudio.com/items?itemName=wilmtang.vscode-leetcode-auth-sync</a> 2. Install this Firefox add-on on the same machine. 3. Sign in to <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/46789bf1eadef441e1a138c754d9d5ca7dc7ed71c3af2455dc252ea39e1124d4/https%3A//leetcode.com/" rel="nofollow">https://leetcode.com/</a> in Firefox. 4. In VS Code, click LeetCode: Sign In and choose Auto Cookie Sync. 5. In this add-on popup, click Expire now, then open or refresh any <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/38bfcd362f1787de4f850620bfd49db1b26c8fb561bd46a4f5572949df99d104/http%3A//leetcode.com" rel="nofollow">leetcode.com</a> page so the next real LeetCode request syncs cookies and browser request headers to VS Code. How it works: the VS Code extension starts a local listener on 127.0.0.1:17899. This add-on reads your <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/38bfcd362f1787de4f850620bfd49db1b26c8fb561bd46a4f5572949df99d104/http%3A//leetcode.com" rel="nofollow">leetcode.com</a> cookies and sends the LeetCode Cookie header to that local listener, where VS Code reuses the existing cookie login flow. Cookie values are sent only to the local VS Code listener and are not intentionally logged.

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