Grok chat duped into swallowing injected instructions

xAI's Grok web chat agent is currently vulnerable to a novel form of prompt injection, according to security researchers with Adversa AI. The technique allows an attacker to create a web page poisoned with malicious instructions that induce an AI model summarizing the page to carry out harmful actions. That describes a well-known attack known as indirect prompt injection. Frontier AI models have become better at dealing with such attempts through existing guardrails, though the issue is far from