css attackshigh
Webmail CSS Attacks Expose a New Risk for AI-Powered Email Tools
Researchers have discovered that CSS, typically used for styling web pages, can be weaponized in webmail clients to steal user credentials, hijack sessions, and manipulate AI tools. These attacks exploit vulnerabilities in how email clients handle HTML and CSS, allowing malicious styling to interact with the trusted interface. The research highlights risks for major services like Outlook, Gmail, and Yahoo Mail, particularly concerning AI integrations.