CVE-2021-4288 : Security Advisory and Response

A vulnerability was found in OpenMRS openmrs-module-referenceapplication up to version 2.11.x, allowing for cross-site scripting attacks. Upgrading to version 2.12.0 is crucial to mitigate this issue.

Understanding CVE-2021-4288

This CVE involves a cross-site scripting vulnerability within OpenMRS openmrs-module-referenceapplication.

What is CVE-2021-4288?

CVE-2021-4288 is a security flaw found in OpenMRS openmrs-module-referenceapplication versions up to 2.11.x, enabling attackers to initiate cross-site scripting attacks remotely.

The Impact of CVE-2021-4288

The vulnerability exposes systems to the risk of unauthorized access and data manipulation through malicious scripts injected into web pages.

Technical Details of CVE-2021-4288

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The issue arises due to improper handling of user input in the file userApp.gsp, leading to the execution of arbitrary scripts.

Affected Systems and Versions

OpenMRS openmrs-module-referenceapplication versions 2.0 to 2.11 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the affected file to conduct cross-site scripting attacks.

Mitigation and Prevention

Discover how to address and prevent CVE-2021-4288.

Immediate Steps to Take

Upgrade the affected component to version 2.12.0 to remediate this vulnerability.

Long-Term Security Practices

Implement secure coding practices, input validation, and output encoding to prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of security patches and updates released by OpenMRS to safeguard against known vulnerabilities.