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Security · 3h ago

Prismata: New Framework Blocks Cross-Site Prompt Injection in Web Agents

By Meridian48 News Desk · Summarised from Hacker News ·

Researchers propose Prismata, a framework to confine cross-site prompt injection attacks in LLM-based web agents. It uses a dual-context architecture to isolate untrusted web content from agent instructions. The approach aims to prevent malicious sites from hijacking agent behavior without sacrificing functionality.

Meridian48 take
Prismata addresses a real vulnerability in autonomous web agents, but its effectiveness against sophisticated adversarial prompts remains to be proven in practice.
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Prismata: Confining cross-site prompt injection in web agents →
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