CVE-2022-31498 : Security Advisory and Response

LibreHealth EHR Base 2.0.0 is impacted by a cross-site scripting (XSS) vulnerability in the file 'interface/orders/patient_match_dialog.php'.

Understanding CVE-2022-31498

This CVE identifies a security issue in LibreHealth EHR Base version 2.0.0 that allows XSS exploitation through a specific PHP file.

What is CVE-2022-31498?

CVE-2022-31498 pertains to a vulnerability in LibreHealth EHR Base 2.0.0 that enables XSS attacks on the 'patient_match_dialog.php' file.

The Impact of CVE-2022-31498

This vulnerability can potentially lead to malicious code execution within the context of the affected user's session, compromising data integrity and user privacy.

Technical Details of CVE-2022-31498

The following technical aspects are associated with CVE-2022-31498:

Vulnerability Description

The issue arises from inadequate input validation in the 'patient_match_dialog.php' file, allowing attackers to inject and execute malicious scripts.

Affected Systems and Versions

LibreHealth EHR Base version 2.0.0 is confirmed to be affected by this vulnerability, potentially impacting users of this specific version.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted scripts through the vulnerable 'patient_match_dialog.php' file, leading to XSS attacks.

Mitigation and Prevention

To address CVE-2022-31498 and enhance security, consider the following measures:

Immediate Steps to Take

Disable the impacted functionality within 'patient_match_dialog.php'
Implement input validation mechanisms to sanitize user inputs

Long-Term Security Practices

Regularly update LibreHealth EHR Base to the latest version
Conduct security audits and penetration testing to identify and mitigate similar vulnerabilities

Patching and Updates

Stay informed about security patches and updates released by LibreHealth EHR to address CVE-2022-31498.