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Claude Extension Flaw Enabled Zero-Click XSS Prompt Injection via Any Website

Claude Extension Flaw Enabled Zero-Click XSS Prompt Injection via Any Website

Ravie LakshmananMar 26, 2026Browser Security / Vulnerability Cybersecurity researchers have disclosed a vulnerability in Anthropic’s Claude Google Chrome Extension that could have been exploited to trigger malicious prompts simply by visiting a web page. The… 

[Webinar] Stop Guessing. Learn to Validate Your Defenses Against Real Attacks

[Webinar] Stop Guessing. Learn to Validate Your Defenses Against Real Attacks

The Hacker NewsMar 26, 2026Security Testing / Security Automation Most teams have security tools in place. Alerts are firing, dashboards look clean, threat intel is flowing in. On the surface, everything feels under control. But…