CVE-2021-35388 : Security Advisory and Response

A Hospital Management System (HMS) version 4.0 is vulnerable to Cross Site Scripting (XSS) through a specific URL path. This CVE was published on October 28, 2022, and poses a risk of unauthorized script execution.

Understanding CVE-2021-35388

This section delves into the details of the CVE-2021-35388 vulnerability and its implications.

What is CVE-2021-35388?

CVE-2021-35388 highlights a security vulnerability in Hospital Management System (HMS) version 4.0, making it susceptible to XSS attacks through the /hospital/hms/admin/patient-search.php URL.

The Impact of CVE-2021-35388

The impact of CVE-2021-35388 is the potential for malicious actors to execute unauthorized scripts in the context of an unsuspecting user's web session on the affected HMS version 4.0.

Technical Details of CVE-2021-35388

This section outlines the specific technical details related to CVE-2021-35388.

Vulnerability Description

CVE-2021-35388 involves a Cross Site Scripting (XSS) vulnerability in Hospital Management System (HMS) version 4.0, enabling attackers to inject and execute malicious scripts via the /hospital/hms/admin/patient-search.php URL.

Affected Systems and Versions

The vulnerability impacts Hospital Management System (HMS) version 4.0. Other versions or products are not affected.

Exploitation Mechanism

Exploitation of CVE-2021-35388 involves crafting and injecting malicious scripts into the vulnerable parameter present in the /hospital/hms/admin/patient-search.php URL, leading to script execution in the user's browser.

Mitigation and Prevention

This section focuses on the steps to mitigate and prevent exploitation of CVE-2021-35388.

Immediate Steps to Take

Users of Hospital Management System (HMS) version 4.0 are advised to restrict access to the vulnerable URL, validate user input, sanitize data, and implement security headers to mitigate XSS risks.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and providing security training to developers can enhance the long-term security posture of Hospital Management System (HMS) and prevent similar vulnerabilities.

Patching and Updates

Vendors should release patches or updates addressing the XSS vulnerability in Hospital Management System (HMS) version 4.0 to ensure robust security and protect users from exploitation.