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I. Basic Information for CVE-2025-66222
Vulnerability Information

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Vulnerability Title
DeepChat Cross-Site Scripting(XSS) escalate to Remote Code Execution(RCE)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
DeepChat 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DeepChat是ThinkInAIXYZ开源的一款智能助手。 DeepChat 0.5.0及之前版本存在代码注入漏洞,该漏洞源于Mermaid图表渲染器存在存储型跨站脚本,可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
ThinkInAIXYZdeepchat < 0.5.0 -
II. Public POCs for CVE-2025-66222
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III. Intelligence Information for CVE-2025-66222
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