A newly discovered browser extension has been found to have the capability to hijack popular AI assistants across multiple platforms, compromising the security of millions of users. The extension, which was available for download on various online marketplaces, can secretly access and manipulate AI-powered tools such as Google Assistant, Amazon Alexa, and Microsoft Bing.
The affected browsers include Chrome, Comet, Edge, Opera Neon, and Claude, which is a relatively new player in the AI assistant space. This means that users who have installed the extension on any of these platforms are at risk of having their sensitive information compromised. According to researchers, the extension uses a technique called cross-domain privilege escalation, which allows it to bypass security measures and gain unauthorized access to AI-powered tools.
But how does this work? In simple terms, the extension exploits a vulnerability in the way that browsers handle multiple domains or websites at once. By creating a fake “bridge” between these domains, the extension can essentially trick the browser into granting it elevated privileges, allowing it to interact with and manipulate AI assistants on behalf of the user.
The consequences of this exploit are significant, as AI assistants are often used for sensitive tasks such as managing finances or accessing personal data. If an attacker gains control over an AI assistant, they could potentially use it to steal passwords, access financial accounts, or even hijack the user’s entire online identity.
This incident highlights a critical issue in the world of cybersecurity: the increasing reliance on AI-powered tools and services without adequate security measures in place. As more users turn to AI assistants for daily tasks, the risk of data breaches and identity theft increases exponentially. This is especially concerning given the widespread adoption of cloud-based services and the rise of cross-platform compatibility.
The discovery of this exploit also underscores the importance of vigilant monitoring and regular updates from browser developers. In this case, users are advised to uninstall any suspicious extensions immediately and keep their browsers up-to-date with the latest security patches. It’s also essential for developers to prioritize AI security and implement robust safeguards to prevent similar exploits in the future.
For readers, the takeaway is clear: stay informed about potential vulnerabilities and threats, and always exercise caution when installing new browser extensions or using AI-powered services. By being proactive and taking steps to secure your online presence, you can minimize the risk of identity exposure and protect yourself against active attack paths.
Source: The Hacker News — 2026-09-16