CVE-2022-31493 : Security Advisory and Response

LibreHealth EHR Base 2.0.0 is impacted by a cross-site scripting (XSS) vulnerability in gacl/admin/acl_admin.php acl_id, allowing potential attackers to execute XSS attacks.

Understanding CVE-2022-31493

This CVE involves a security issue in the LibreHealth EHR Base 2.0.0 version that enables malicious actors to exploit a vulnerability in the acl_id parameter.

What is CVE-2022-31493?

CVE-2022-31493 refers to a specific XSS vulnerability found in the LibreHealth EHR Base 2.0.0 version, potentially leading to XSS attacks through the gacl/admin/acl_admin.php acl_id endpoint.

The Impact of CVE-2022-31493

This vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users, leading to various consequences such as cookie theft, session hijacking, or defacement.

Technical Details of CVE-2022-31493

This section provides deeper insights into the vulnerability's description, affected systems, and how the exploitation occurs.

Vulnerability Description

The vulnerability in LibreHealth EHR Base 2.0.0 enables threat actors to insert and execute arbitrary scripts via the acl_id parameter in the gacl/admin/acl_admin.php endpoint.

Affected Systems and Versions

The XSS flaw impacts the LibreHealth EHR Base 2.0.0 version, potentially affecting users utilizing this specific software version.

Exploitation Mechanism

By manipulating the acl_id parameter in the gacl/admin/acl_admin.php endpoint, attackers can inject malicious scripts, leading to XSS attacks.

Mitigation and Prevention

Protecting systems from CVE-2022-31493 involves taking immediate action and implementing long-term security measures to prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users are advised to update LibreHealth EHR Base to a patched version, if available, or consider implementing security controls to mitigate the XSS risk.

Long-Term Security Practices

Employ secure coding practices, input validation mechanisms, and routine security audits to detect and address vulnerabilities proactively.

Patching and Updates

Regularly check for security updates released by LibreHealth EHR and apply patches promptly to ensure protection against known vulnerabilities.