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CVE PROGRAM SOURCE RECORD9.7 Critical

CVE-2025-66222

DeepChat Cross-Site Scripting(XSS) escalate to Remote Code Execution(RCE)

Description

DeepChat is a smart assistant uses artificial intelligence. In 0.5.0 and earlier, there is a Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram renderer allows an attacker to execute arbitrary JavaScript within the application context. By leveraging the exposed Electron IPC bridge, this XSS can be escalated to Remote Code Execution (RCE) by registering and starting a malicious MCP (Model Context Protocol) server.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ThinkInAIXYZ deepchat

  • < 0.5.0affected

References