CVE-2023-23828 : Security Advisory and Response

This CVE-2023-23828 was published by Patchstack on August 10, 2023. It involves a vulnerability in the Swashata WP Category Post List Widget plugin in versions equal to or less than 2.0.3, leading to Cross-Site Scripting (XSS) attacks.

Understanding CVE-2023-23828

This CVE describes a specific security issue affecting the Swashata WP Category Post List Widget plugin, which can be exploited for stored Cross-Site Scripting (XSS) attacks.

What is CVE-2023-23828?

The CVE-2023-23828 vulnerability is categorized as a stored Cross-Site Scripting (XSS) flaw in the Swashata WP Category Post List Widget plugin versions equal to or less than 2.0.3. It allows attackers with contributor-level access or higher to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-23828

The impact of this CVE is rated as moderate with a CVSS base score of 6.5. Exploitation of this vulnerability can lead to unauthorized execution of scripts in a user's browser, potentially compromising sensitive information or performing actions on behalf of the user.

Technical Details of CVE-2023-23828

This section covers the specific technical aspects related to CVE-2023-23828.

Vulnerability Description

The vulnerability in the Swashata WP Category Post List Widget plugin allows for the storage of malicious scripts that can be executed when a user visits a compromised web page, leading to potential Cross-Site Scripting (XSS) attacks.

Affected Systems and Versions

Systems running the Swashata WP Category Post List Widget plugin in versions equal to or less than 2.0.3 are impacted by this vulnerability.

Exploitation Mechanism

Exploitation of this vulnerability requires an attacker to have contributor-level access or higher to the WordPress site where the vulnerable plugin is installed. By injecting malicious scripts, the attacker can potentially execute unauthorized actions on the site.

Mitigation and Prevention

To address CVE-2023-23828 and prevent potential exploitation, certain security measures and best practices can be implemented.

Immediate Steps to Take

Update: Ensure the Swashata WP Category Post List Widget plugin is updated to a version that contains a fix for the XSS vulnerability.
Access Control: Limit user privileges on the WordPress site to minimize the impact of potential attacks.

Long-Term Security Practices

Regular Audits: Conduct regular security audits to identify and address any vulnerabilities in plugins and themes.
Education: Educate users about the risks of XSS attacks and how to recognize and report suspicious behavior.

Patching and Updates

Stay informed about security updates and patches released by the plugin vendor. Promptly apply these updates to ensure your WordPress site is protected against known vulnerabilities.

By following these mitigation strategies and maintaining a proactive approach to security, you can reduce the risk of falling victim to XSS attacks like CVE-2023-23828.