August 21.2025
2 Minutes Read

Password Managers at Risk: What You Need to Know About DOM-Based Clickjacking

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Understanding the Dangers of Clickjacking Attacks

In the world of cybersecurity, clickjacking has emerged as a significant threat, especially to users of popular password managers. This malicious technique exploits vulnerabilities in web browser extensions, which can lead to unauthorized access to sensitive information including passwords, credit card data, and two-factor authentication (2FA) codes.

Insights into DOM-Based Clickjacking

The latest research presented by Marek Tóth at DEF CON 33 unveils a method known as Document Object Model (DOM)-based extension clickjacking. This technique can be executed with just a single click on a compromised website, facilitating data breaches that might appear innocuous on the surface but result in severe data theft.

According to Tóth, attackers can manipulate user interfaces of password manager extensions by making essential elements invisible on the page. When users interact with the site, they unwittingly trigger credential theft. This discovery is alarming as it applies to popular extensions such as 1Password and LastPass, which collectively service millions of users.

How the Attack Works and Its Implications

By creating a disguised login form within a malicious website, attackers can exploit the autofill features of password managers. As users attempt to interact with a benign-looking pop-up—like a cookie consent banner or login prompt—their stored credentials may be automatically populated and sent to an attacker’s server.

This technique risks exposing a wide spectrum of sensitive information, and notably, the extent of this vulnerability impacts 10 out of 11 tested password managers.

Steps to Protect Yourself From Clickjacking

In light of these vulnerabilities, especially since some vendors have not yet offered fixes, users are advised to disable autofill options in their password managers and revert to manual copy/paste methods for entering sensitive data. Additionally, configuring browser extension settings to require a click for site access can further protect against these attacks.

The Future of Browser Security

As the digital landscape continually evolves, so do the techniques employed by cybercriminals. With the prevalence of such vulnerabilities in widely used software, it is crucial for users to remain vigilant and adopt best practices in managing their online security. The rise of social engineering tactics, such as clickjacking, underscores the need for individuals and organizations to take proactive measures, ensuring that their digital safety is not left to chance.

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