CVE-2021-38359 : Exploit Details and Defense Strategies

The WordPress InviteBox Plugin version 1.4.1 and below is vulnerable to Reflected Cross-Site Scripting (XSS) allowing attackers to inject arbitrary scripts through the message parameter in the ~/admin/admin.php file.

Understanding CVE-2021-38359

This CVE refers to a security vulnerability in the WordPress InviteBox Plugin version 1.4.1 and earlier, enabling attackers to execute XSS attacks.

What is CVE-2021-38359?

The WordPress InviteBox Plugin is susceptible to Reflected Cross-Site Scripting (XSS) via the message parameter in the ~/admin/admin.php file, empowering threat actors to insert harmful web scripts.

The Impact of CVE-2021-38359

This vulnerability poses a medium severity risk with a CVSS base score of 6.1, allowing attackers to compromise the confidentiality and integrity of affected systems without requiring special privileges.

Technical Details of CVE-2021-38359

This section provides more insights into the vulnerability associated with CVE-2021-38359.

Vulnerability Description

The vulnerability in the WordPress InviteBox Plugin version 1.4.1 and prior versions allows for the injection of arbitrary web scripts through the message parameter in the ~/admin/admin.php file, enabling Reflected Cross-Site Scripting (XSS) attacks.

Affected Systems and Versions

The affected product is the WordPress InviteBox Plugin with versions up to and including 1.4.1.

Exploitation Mechanism

Exploitation of this vulnerability involves manipulating the message parameter in the ~/admin/admin.php file to inject malicious web scripts.

Mitigation and Prevention

To safeguard your system from CVE-2021-38359, take the following preventive measures.

Immediate Steps to Take

Uninstall the WordPress InviteBox Plugin version 1.4.1 from your WordPress site to mitigate the risk of exploitation through Reflected Cross-Site Scripting.

Long-Term Security Practices

Regularly update plugins and themes on your WordPress site and implement security best practices to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by the WordPress community to address vulnerabilities like CVE-2021-38359 and enhance the security of your website.