CVE-2020-5731 Explained : Impact and Mitigation

OpenMRS 2.9 and prior versions are susceptible to a cross-site scripting vulnerability in the app parameter for the ActiveVisit's page.

Understanding CVE-2020-5731

In this CVE, OpenMRS versions 2.9 and earlier are at risk due to a cross-site scripting vulnerability.

What is CVE-2020-5731?

This CVE identifies a security flaw in OpenMRS versions 2.9 and prior, where the app parameter in the ActiveVisit's page is exposed to cross-site scripting attacks.

The Impact of CVE-2020-5731

The vulnerability could allow attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-5731

OpenMRS 2.9 and earlier versions are affected by a specific vulnerability.

Vulnerability Description

The vulnerability lies in the app parameter of the ActiveVisit's page, making it susceptible to cross-site scripting attacks.

Affected Systems and Versions

Product: OpenMRS
Versions Affected: Versions 2.90 and prior

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the app parameter, which gets executed in the user's browser.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-5731.

Immediate Steps to Take

Update OpenMRS to the latest version that includes a patch for this vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.
Educate users about the risks of clicking on suspicious links or downloading files from untrusted sources.

Long-Term Security Practices

Regularly monitor and audit the application for security vulnerabilities.
Conduct security training for developers to enhance awareness of secure coding practices.

Patching and Updates

Stay informed about security updates released by OpenMRS and promptly apply patches to address known vulnerabilities.