CVE-2023-31213 : Security Advisory and Response

A Stored Cross-Site Scripting (XSS) vulnerability in the WPBakery Page Builder plugin version 6.13.0 and below can allow an attacker to execute malicious scripts on the website.

Understanding CVE-2023-31213

This CVE refers to a security vulnerability in the WPBakery Page Builder plugin for WordPress that can be exploited to perform Stored XSS attacks.

What is CVE-2023-31213?

The CVE-2023-31213 vulnerability pertains to a security flaw in the WPBakery Page Builder plugin that allows attackers with contributor-level access to store malicious scripts, which when executed, can compromise the security of the website.

The Impact of CVE-2023-31213

The impact of this vulnerability is classified as 'MEDIUM' with a CVSS base score of 6.5. Attackers can exploit this flaw to inject unauthorized scripts into web pages viewed by other users, leading to potential data theft or unauthorized actions.

Technical Details of CVE-2023-31213

This section covers the technical aspects of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows contributors to store malicious scripts via the WPBakery Page Builder plugin version 6.13.0 or lower, enabling them to execute unauthorized code on the affected website.

Affected Systems and Versions

The vulnerability affects WPBakery Page Builder plugin versions less than or equal to 6.13.0. Websites using these versions are at risk of XSS attacks if exploited.

Exploitation Mechanism

Attackers with contributor access can exploit this vulnerability by storing malicious scripts using the affected plugin, which are then executed when the compromised pages are accessed by other users.

Mitigation and Prevention

To safeguard your website from CVE-2023-31213, it's essential to follow immediate steps and implement long-term security practices.

Immediate Steps to Take

Update the WPBakery Page Builder plugin to version 6.13.0 or higher to mitigate the vulnerability.

Long-Term Security Practices

Regularly update all plugins and themes to their latest versions to patch security vulnerabilities and enhance overall security.

Patching and Updates

Stay informed about security advisories and promptly apply patches and updates released by plugin developers to address known vulnerabilities.