CVE-2025-58444— MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server
Quick assessment
Affected
modelcontextprotocol inspector
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MCP inspector是一个用于调试MCP服务器的开发工具。 MCP inspector 0.16.6之前版本存在安全漏洞，该漏洞源于跨站脚本攻击，可能导致任意命令执行。
Possible ATT&CK Techniques 2 AI
T1189 · Drive-by Compromise T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-58444
Vulnerability Information
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Vulnerability Title
MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server
Source: CVE Program / CVE List V5
Vulnerability Description
The MCP inspector is a developer tool for testing and debugging MCP servers. A cross-site scripting issue was reported in versions of the MCP Inspector local development tool prior to 0.16.6 when connecting to untrusted remote MCP servers with a malicious redirect URI. This could be leveraged to interact directly with the inspector proxy to trigger arbitrary command execution. Users are advised to update to 0.16.6 to resolve this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面编码URIScheme转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MCP inspector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MCP inspector是一个用于调试MCP服务器的开发工具。 MCP inspector 0.16.6之前版本存在安全漏洞，该漏洞源于跨站脚本攻击，可能导致任意命令执行。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| modelcontextprotocol | inspector | < 0.16.6 | - |
|
II. Public POCs for CVE-2025-58444
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-58444 (1)
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