CVE-2021-34650 : What You Need to Know

The eID Easy WordPress plugin up to version 4.6 is vulnerable to Reflected Cross-Site Scripting, allowing attackers to inject malicious scripts through the error parameter in ~/admin.php file.

Understanding CVE-2021-34650

This CVE highlights a security issue in the eID Easy WordPress plugin version 4.6 and below, enabling attackers to execute cross-site scripting attacks.

What is CVE-2021-34650?

The vulnerability allows malicious actors to insert arbitrary web scripts through the error parameter in the specified file, compromising the integrity of the affected system.

The Impact of CVE-2021-34650

With a CVSS base score of 5.4 (Medium), the impact of this vulnerability is concerning as it can lead to unauthorized script execution and potential data manipulation.

Technical Details of CVE-2021-34650

This section outlines the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from insecure handling of user input in the eID Easy WordPress plugin, permitting attackers to execute malicious scripts via the error parameter.

Affected Systems and Versions

The eID Easy plugin versions up to and including 4.6 are impacted by this vulnerability, exposing websites to potential cross-site scripting attacks.

Exploitation Mechanism

Attackers can exploit this issue by injecting crafted scripts through the error parameter in the admin.php file, taking advantage of the plugin's inadequate input validation.

Mitigation and Prevention

To address CVE-2021-34650 and enhance security measures, users and administrators should take the following steps:

Immediate Steps to Take

Update the eID Easy plugin to version 4.7 or newer to mitigate the vulnerability and prevent exploitation.

Long-Term Security Practices

Regularly monitor for plugin updates and security advisories to stay informed about potential vulnerabilities.
Implement robust security measures such as web application firewalls to prevent and detect malicious activities.

Patching and Updates

Ensure timely installation of security patches and updates for all plugins and software components to address known vulnerabilities and enhance overall system security.