CVE-2023-0367 : Vulnerability Insights and Analysis

This is a published CVE with the ID CVE-2023-0367, related to a vulnerability in the Pricing Tables For WPBakery Page Builder plugin. The vulnerability involves a Stored Cross-Site Scripting (XSS) issue that could be exploited by users with the contributor role and above.

Understanding CVE-2023-0367

This CVE pertains to a specific vulnerability in the Pricing Tables For WPBakery Page Builder WordPress plugin, impacting versions prior to 3.0. The vulnerability allows for Stored Cross-Site Scripting attacks, potentially enabling malicious users to inject harmful scripts into web pages.

What is CVE-2023-0367?

The Pricing Tables For WPBakery Page Builder plugin, previously known as Visual Composer, fails to properly validate and escape certain shortcode attributes. This oversight can be leveraged by authenticated users with contributor-level access or higher to execute Stored Cross-Site Scripting attacks.

The Impact of CVE-2023-0367

The vulnerability in this plugin can have severe consequences as it allows attackers to inject malicious scripts into web pages accessed by unsuspecting users. This could lead to sensitive information theft, privilege escalation, and other harmful outcomes.

Technical Details of CVE-2023-0367

The following points provide more insight into the technical aspects of this CVE.

Vulnerability Description

The vulnerability in the Pricing Tables For WPBakery Page Builder plugin arises from the lack of proper validation and escaping of shortcode attributes. This oversight opens the door for Stored Cross-Site Scripting attacks by authenticated users with specific privilege levels.

Affected Systems and Versions

The vulnerability affects versions of the Pricing Tables For WPBakery Page Builder plugin that are older than 3.0. Users utilizing versions prior to this are at risk of exploitation by individuals with malicious intent.

Exploitation Mechanism

Attackers with contributor or higher-level credentials can exploit this vulnerability by crafting malicious shortcode attributes that inject unauthorized scripts into pages or posts where the plugin's shortcode is present.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of this vulnerability is crucial for maintaining the security of affected systems.

Immediate Steps to Take

Affected users should update the Pricing Tables For WPBakery Page Builder plugin to version 3.0 or higher to mitigate the vulnerability. Additionally, restricting user roles and permissions can help reduce the risk of unauthorized script injection.

Long-Term Security Practices

Implementing secure coding practices, regularly updating plugins and themes, and conducting security audits can enhance the overall security posture of WordPress websites and minimize the risk of similar vulnerabilities in the future.

Patching and Updates

Staying informed about security patches and promptly applying updates released by plugin developers is essential to address known vulnerabilities like the one highlighted in CVE-2023-0367. Regularly monitoring security advisories and maintaining a proactive approach to security measures can help safeguard against potential threats.