CVE-2023-0071 Explained : Impact and Mitigation

WP Tabs < 2.1.17 - Contributor+ Stored XSS Vulnerability

Understanding CVE-2023-0071

This CVE record highlights a Stored Cross-Site Scripting (XSS) vulnerability in the WP Tabs WordPress plugin version prior to 2.1.17. This vulnerability could be exploited by users with the contributor role and above to execute malicious scripts on affected websites.

What is CVE-2023-0071?

The CVE-2023-0071 refers to a security flaw in the WP Tabs WordPress plugin where certain shortcode attributes are not properly validated and escaped before being displayed on a page or post. This oversight allows authenticated users with contributor-level access and higher to inject and execute arbitrary scripts, potentially compromising the website's security.

The Impact of CVE-2023-0071

The impact of this vulnerability is significant as it enables attackers to craft malicious scripts that can steal sensitive information, hijack user sessions, deface websites, or launch phishing attacks. Websites using the vulnerable version of WP Tabs are at risk of compromise by malicious actors with authorized access.

Technical Details of CVE-2023-0071

The following technical details shed light on the vulnerability:

Vulnerability Description

The WP Tabs WordPress plugin version earlier than 2.1.17 fails to properly validate and escape certain shortcode attributes. This oversight allows contributors and higher-role users to execute Stored Cross-Site Scripting attacks.

Affected Systems and Versions

Vendor: Unknown
Product: WP Tabs
Affected Versions: All versions less than 2.1.17
Version Type: Custom
Collection URL: WordPress Plugin Repository

Exploitation Mechanism

By exploiting this vulnerability, attackers can insert malicious scripts into shortcode attributes, which are then executed when the affected shortcode is rendered on a WordPress page or post. This can lead to unauthorized actions and compromise the website's integrity.

Mitigation and Prevention

To address CVE-2023-0071 and enhance overall security posture, consider implementing the following mitigation strategies:

Immediate Steps to Take

Update: Ensure the WP Tabs plugin is updated to version 2.1.17 or higher to mitigate the vulnerability.
Access Control: Limit user roles and privileges to reduce the risk of unauthorized script execution.

Long-Term Security Practices

Secure Coding: Encourage developers to follow secure coding practices, including input validation and output sanitization.
Regular Audits: Conduct regular security audits and vulnerability assessments to identify and address potential risks proactively.

Patching and Updates

Stay informed about security patches and updates released by WP Tabs developers. Promptly apply patches to ensure that the plugin is protected against known vulnerabilities and security threats.