In recent years, certain malicious browser extensions have emerged as a new cybersecurity threat. These plugins appear to offer useful features (such as ad-blocking, translation, or download tools) but secretly steal user data, hijack traffic, or inject malicious code. They spread through official stores or third-party channels, exploiting user trust to lure installations.Once activated, such extensions may monitor browsing history, capture login credentials, divert e-commerce commissions, or force redirects to phishing sites. More stealthy versions even abuse browser permissions for cryptomining or launching network attacks. Due to their high access privileges and covert operations, average users often struggle to detect them.Preventive measures include: downloading extensions only from official stores, reviewing permission requests, regularly removing unused plugins, and using security software for protection. Developers and platforms must also enhance auditing processes to collectively build a safer ecosystem.
近年来，个别恶意浏览器插件成为网络安全的新威胁。这些插件表面提供便捷功能（如广告拦截、翻译或下载工具），实则暗中窃取用户数据、劫持流量甚至植入恶意代码。它们通过官方商店或第三方渠道传播，利用用户信任诱导安装。一旦启用，插件可能监控浏览记录、窃取账户密码、劫持电商佣金，或强制跳转钓鱼网站。更隐蔽的版本还会利用浏览器权限加密挖矿或发起网络攻击。由于插件权限通常较高且行为隐蔽，普通用户难以察觉。防范措施包括：仅从官方商店下载插件、审查权限请求、定期清理不常用扩展，并启用安全软件进行防护。开发者与平台也需加强审核，共同构建安全生态。
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