CVE-2022-40963 : Security Advisory and Response

WordPress WP Page Builder plugin <= 1.2.6 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities were discovered by Ngo Van Thien from Patchstack Alliance. The plugin version <= 1.2.6 is affected by multiple XSS vulnerabilities when used with WordPress.

Understanding CVE-2022-40963

This section delves into the details of the CVE-2022-40963 vulnerability.

What is CVE-2022-40963?

CVE-2022-40963 involves Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities in the WP Page Builder plugin version <= 1.2.6 on WordPress.

The Impact of CVE-2022-40963

The vulnerability allows attackers to execute malicious scripts in the context of an authenticated user, potentially leading to sensitive information exposure or unauthorized actions.

Technical Details of CVE-2022-40963

In this section, we explore the technical aspects of the CVE-2022-40963 vulnerability.

Vulnerability Description

The vulnerability, identified as CWE-79 Cross-site Scripting (XSS), has a CVSSv3 base score of 4.8 (Medium severity). Affected systems running WP Page Builder plugin version <= 1.2.6 are at risk.

Affected Systems and Versions

Vendor Themeum's WP Page Builder (WordPress plugin) version <= 1.2.6 is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by injecting malicious scripts, which get executed within the user's context in WordPress.

Mitigation and Prevention

This section covers the steps to mitigate and prevent the exploitation of CVE-2022-40963.

Immediate Steps to Take

Users are advised to update the WP Page Builder plugin to version 1.2.7 or higher to address these vulnerabilities.

Long-Term Security Practices

Enforce regular security assessments and code reviews to identify and patch vulnerabilities promptly.

Patching and Updates

Stay updated with security releases and ensure timely installation of patches to protect systems and data.