Executive Summary

CVE-2026-11468 is a Cross-Site Scripting (XSS) vulnerability found in the SourceCodester Hospitals Patient Records Management System version 1.0, specifically in the file '/admin/?page=room_types'.

The vulnerability occurs because the application does not properly encode or filter user input from the 'room' parameter, allowing attackers to inject malicious script code.

This enables attackers to execute arbitrary scripts in a victim's browser without requiring login credentials or authorization.

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Impact Analysis

Exploitation of this vulnerability allows attackers to execute arbitrary scripts in users' browsers, which can lead to several harmful impacts.

• Stealing sensitive data such as cookies or session tokens.
• Performing unauthorized actions on behalf of the user.
• Defacing web pages.
• Redirecting users to malicious websites.

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Detection Guidance

This vulnerability can be detected by testing the 'room' parameter in the URL '/admin/?page=room_types' for improper input handling that leads to Cross-Site Scripting (XSS). You can attempt to inject typical XSS payloads into the 'room' parameter and observe if the input is reflected unencoded in the response.

• Use curl or similar tools to send requests with XSS payloads, for example: curl -i "http://target/admin/?page=room_types&room=<script>alert(1)</script>"
• Use a web proxy or browser developer tools to inspect the response for unencoded script tags or suspicious content.
• Automated scanners that test for reflected XSS vulnerabilities can also be used against the affected URL.

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Mitigation Strategies

Immediate mitigation steps include implementing proper output encoding and strict input validation on the 'room' parameter to prevent injection of malicious scripts.

• Apply output encoding to all user-supplied data before rendering it in the web page.
• Implement strict input validation to allow only expected input formats for the 'room' parameter.
• Use Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts.
• Set secure and HttpOnly flags on cookies to protect session tokens.
• Conduct regular security audits and update the software to the latest secure version.

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Compliance Impact

The Cross-Site Scripting (XSS) vulnerability in the Hospital's Patient Records Management System allows attackers to execute arbitrary scripts in users' browsers, potentially leading to theft of sensitive data such as cookies or session tokens and unauthorized actions.

Such vulnerabilities can undermine the confidentiality and integrity of sensitive patient information, which may result in non-compliance with data protection regulations like GDPR and HIPAA that require safeguarding personal and health data against unauthorized access and breaches.

Failure to address this vulnerability could lead to exposure of protected health information (PHI) or personally identifiable information (PII), increasing the risk of regulatory penalties and loss of trust.

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