CVE-2021-4244 : Exploit Details and Defense Strategies

A vulnerability has been identified in the yikes-inc-easy-mailchimp-extender Plugin up to version 6.8.5, allowing for cross-site scripting attacks. Upgrading to version 6.8.6 is recommended to mitigate this issue.

Understanding CVE-2021-4244

This CVE pertains to a cross-site scripting vulnerability found in the yikes-inc-easy-mailchimp-extender Plugin.

What is CVE-2021-4244?

CVE-2021-4244 is a security flaw in the yikes-inc-easy-mailchimp-extender Plugin that can be exploited for cross-site scripting attacks.

The Impact of CVE-2021-4244

The vulnerability could allow an attacker to perform remote attacks, potentially leading to unauthorized access or malicious actions on affected systems.

Technical Details of CVE-2021-4244

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability exists in an unspecified part of the file admin/partials/ajax/add_field_to_form.php, allowing for the manipulation of arguments to execute cross-site scripting attacks.

Affected Systems and Versions

The yikes-inc-easy-mailchimp-extender Plugin versions 6.8.0 to 6.8.5 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw by manipulating the 'field_name/merge_tag/field_type/list_id' parameter remotely.

Mitigation and Prevention

To protect your systems from CVE-2021-4244, follow these security measures.

Immediate Steps to Take

Upgrade the yikes-inc-easy-mailchimp-extender Plugin to version 6.8.6, which contains a patch for this vulnerability.

Long-Term Security Practices

Regularly update all software components to ensure the latest security patches are applied.
Implement proper input validation to prevent cross-site scripting vulnerabilities.

Patching and Updates

It is crucial to stay informed about security updates for all software components and promptly apply patches to address known vulnerabilities.