MetaMask Legacy Web3 extension

Security at a glance

Elevated riskSafety score 55/10014 findings

Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: metamask-legacy-web3

Permissions (3)

  • Access all HTTP sites
  • Access all HTTPS sites
  • Access local files

Frequently asked questions

Is MetaMask Legacy Web3 safe to use?

Our latest automated scan rates the Firefox listing of MetaMask Legacy Web3 at 55/100 (elevated risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does MetaMask Legacy Web3 require?

MetaMask Legacy Web3 requests 3 permissions. The most significant: Access all HTTP sites, Access all HTTPS sites, Access local files. See the full breakdown in the security report.

Who develops MetaMask Legacy Web3?

MetaMask Legacy Web3 is published by danfinlay. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.