SourceCodester/Patrick Mvuma Patients Waiting Area Queue Management System checkin.php cross site scripting

Successful exploitation of CVE-2026-2150 allows an attacker to execute arbitrary JavaScript code in the context of a user's browser. This can be leveraged to steal session cookies, redirect users to malicious websites, or modify the content displayed on the application. The impact is particularly severe if the application handles sensitive patient data, as an attacker could potentially access or modify this information. The availability of a public exploit significantly increases the risk of widespread exploitation.

Healthcare providers and organizations utilizing the Patients Waiting Area Queue Management System version 1.0 are at significant risk. Shared hosting environments where multiple users share the same server are particularly vulnerable, as an attacker could potentially exploit the vulnerability through another user's account. Organizations with limited security expertise or resources may be less likely to implement timely mitigations.

• php / web: Examine access logs for requests to /checkin.php with unusual or suspicious values in the patient_id parameter. Look for patterns indicative of XSS payloads (e.g., <script> tags, event handlers). • generic web: Use curl/wget to test the /checkin.php endpoint with various payloads to see if they are reflected in the response. • generic web: Check response headers for Content-Security-Policy (CSP) directives. A strong CSP can mitigate XSS attacks even if the vulnerability exists.

1. 2026-02-08Disclosure

   disclosure

1. Gereserveerd2026-02-07
2. Gepubliceerd2026-02-08
3. Gewijzigd2026-02-23
4. EPSS bijgewerkt2026-03-23

The primary mitigation for CVE-2026-2150 is to upgrade to a patched version of the Patients Waiting Area Queue Management System. Since no fixed version is specified, consider reverting to a previous known-good version if upgrading causes instability. As a temporary workaround, implement strict input validation and sanitization on the patient_id parameter within the /checkin.php file. Web application firewalls (WAFs) can be configured to filter out malicious input patterns associated with XSS attacks. Regularly review and update security rules to address emerging threats.