CVE-2020-5730 : What You Need to Know

OpenMRS 2.9 and prior versions are susceptible to a cross-site scripting vulnerability in the sessionLocation parameter on the login page.

Understanding CVE-2020-5730

In OpenMRS 2.9 and earlier versions, a security flaw exists in the sessionLocation parameter, allowing for potential cross-site scripting attacks.

What is CVE-2020-5730?

This CVE identifies a cross-site scripting vulnerability in OpenMRS versions 2.9 and prior, specifically related to the sessionLocation parameter on the login page.

The Impact of CVE-2020-5730

The vulnerability could be exploited by 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-2020-5730

OpenMRS 2.9 and earlier versions are affected by a cross-site scripting vulnerability in the sessionLocation parameter.

Vulnerability Description

The sessionLocation parameter in OpenMRS login pages lacks proper input validation, enabling attackers to inject and execute malicious scripts.

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 sessionLocation parameter, which may execute within the user's session.

Mitigation and Prevention

To address CVE-2020-5730, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Update OpenMRS to a patched version that addresses the cross-site scripting vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injections.

Long-Term Security Practices

Regularly monitor and audit web application code for security vulnerabilities.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely application of security patches and updates to OpenMRS to mitigate the risk of cross-site scripting attacks.