Malicious Firefox Extentions Targets Crypto Wallets
Over 40 fake Firefox extensions mimicking popular crypto wallets like MetaMask, Trust Wallet, and Coinbase have been caught stealing users private keys, seed phrases and IP addresses. Since April 2025 these add-ons used stolen branding, fake 5 star reviews from bots and hidden malicious code to appear legitimate. Unlike phishing sites, these browser-based attacks are harder to detect. Mozilla Firefox has removed most of the extensions and added warning systems to catch similar threats in the future. Users are advised to install only verified extensions, review permission carefully, and regularly audit their browser add-ons when handling crypto. Security experts urges users to install add-ons from verified publishers. They also advised to regularly audit installed extensions that handle sensitive financial operations.
https://thehackernews.com/2025/07/over-40-malicious-firefox-extensions.html
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