XSS in Milk Admin via action Parameter

Executive Summary

This is a cross-site scripting (XSS) vulnerability in Milk admin version 0.9.8 or earlier. It allows remote attackers to inject malicious scripts into web pages viewed by users by exploiting the 'action' parameter in a crafted request to DocsController.php.

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Detection Guidance

To detect this XSS vulnerability in Milk admin <=0.9.8, inspect the DocsController.php file for improper handling of the action parameter. Check web server logs for requests containing suspicious input in the action parameter. Manually test by sending crafted requests with script tags in the action parameter to see if they are reflected without sanitization.

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Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or redirect users to malicious sites. Users with admin privileges are at higher risk as the injected scripts could perform actions on their behalf.

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Compliance Impact

This XSS vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's security rules for protected health information. It may result in non-compliance penalties.

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Mitigation Strategies

Immediately upgrade Milk admin to a version later than 0.9.8 if available. If no patch exists, apply input validation to sanitize the action parameter in DocsController.php. Implement output encoding when displaying user-supplied data. Consider disabling the affected module if not required.

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