Prismata: Isolating Cross-Site Prompt Injection

zhinit · hn · 2026-07-11

The paper proposes Prismata, focusing on cross-site prompt injection issues in web agents, aiming to limit the impact of malicious prompts from different websites within a controllable range.

The abstract shows this work not only analyzes injection risks faced by web agents but also provides corresponding mitigation approaches to reduce the probability of agents being induced to perform dangerous operations during multi-site interactions.

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