CVE-2021-24250 : What You Need to Know

The Business Directory Plugin plugin for WordPress before version 5.11.2 is affected by an Authenticated Stored Cross-Site Scripting vulnerability due to lack of sanitization in the label of the Form Fields. This flaw allows attackers to inject and execute malicious scripts on various pages of the plugin.

Understanding CVE-2021-24250

This CVE describes a security issue in the Business Directory Plugin for WordPress, which can be exploited by authenticated users to perform cross-site scripting attacks.

What is CVE-2021-24250?

The CVE-2021-24250 is a vulnerability found in the Business Directory Plugin for WordPress versions prior to 5.11.2 that enables authenticated users to execute malicious scripts through specially crafted Form Fields labels.

The Impact of CVE-2021-24250

This vulnerability could be exploited by attackers with authorized access to potentially compromise the integrity and confidentiality of the affected WordPress websites, leading to further security risks and potential data breaches.

Technical Details of CVE-2021-24250

The technical details of CVE-2021-24250 include:

Vulnerability Description

The lack of sanitization in the label of the Form Fields in the Business Directory Plugin for WordPress allows authenticated users to inject malicious scripts, leading to stored cross-site scripting attacks.

Affected Systems and Versions

The affected system includes Business Directory Plugin - Easy Listing Directories for WordPress versions prior to 5.11.2.

Exploitation Mechanism

Attackers with authorized access can exploit this vulnerability by manipulating the label of the Form Fields to inject malicious scripts, which are executed when the affected pages are accessed by other users.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-24250, follow these recommendations:

Immediate Steps to Take

Upgrade the Business Directory Plugin for WordPress to version 5.11.2 or later to eliminate this vulnerability.
Regularly monitor and audit the plugin for any unauthorized changes or suspicious activities.

Long-Term Security Practices

Implement strict input validation and output encoding practices in your WordPress plugins to prevent cross-site scripting vulnerabilities.
Educate users and administrators about the risks of cross-site scripting attacks and the importance of keeping plugins up to date.

Patching and Updates

Stay informed about security updates and patches released by the Business Directory Team for the plugin, and apply them promptly to ensure the security of your WordPress websites.