Cross-Site Scripting in Smart Attendance System with QR Code Scanner

Executive Summary

This is a Reflected Cross-Site Scripting (XSS) vulnerability in the Smart Attendance System with QR Code Scanner 1.0. It exists in the reset_password.php file where the Username parameter is not properly sanitized. Attackers can inject malicious JavaScript code via a POST request that gets executed in the victim's browser when they view the response page.

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Detection Guidance

To detect this reflected XSS vulnerability, monitor HTTP POST requests to reset_password.php for unusual or malicious input in the Username parameter. Use tools like Burp Suite or OWASP ZAP to intercept and inspect requests. Check if the response reflects the Username value without proper encoding.

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Impact Analysis

An attacker could steal session cookies, hijack user sessions, or perform unauthorized actions on behalf of the victim. The attack requires tricking a user into submitting a malicious form but does not require authentication.

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Compliance Impact

This reflected XSS vulnerability could potentially impact compliance with GDPR and HIPAA by enabling unauthorized access to user data through session hijacking or cookie theft. Attackers could exploit it to steal sensitive information, violating data protection requirements under these regulations.

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Mitigation Strategies

Apply htmlspecialchars() to the Username parameter in reset_password.php before embedding it in HTML output. This encodes special characters and prevents script execution. Since no patched version exists, consider disabling the reset_password.php endpoint if not essential.

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