Cross Site Scripting in next-ai-draw-io 0.4.13

Executive Summary

This is a Cross Site Scripting (XSS) vulnerability in the software DayuanJiang next-ai-draw-io version 0.4.13. It allows a remote attacker to inject and execute arbitrary malicious code through the mcp parameter.

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Detection Guidance

To detect this XSS vulnerability, monitor HTTP traffic for requests containing the mcp parameter in URLs targeting the MCP server. Check if the server reflects unsanitized input in HTML or JavaScript responses. Use tools like curl to test for reflected XSS by sending crafted URLs with the mcp parameter containing script tags. Example: curl 'http://target-server/?mcp=<script>alert(1)</script>' and observe if the script executes in the response.

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Impact Analysis

An attacker could exploit this to run malicious scripts in your browser when visiting a vulnerable site, potentially stealing cookies, session tokens, or sensitive data. It may also enable further attacks like phishing or malware delivery.

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Compliance Impact

This XSS vulnerability could lead to unauthorized data access or breaches, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations may face compliance penalties if exploited.

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Mitigation Strategies

Immediately update next-ai-draw-io to the latest version that patches this vulnerability. If no patch is available, consider disabling the application or restricting access to it until a fix is released.

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