CVE-2023-23875 : What You Need to Know

This CVE-2023-23875 was published on May 3, 2023, by Patchstack. It involves a Cross-Site Scripting (XSS) vulnerability in the Bing Site Verification plugin using Meta Tag for WordPress versions equal to or less than 1.0. The vulnerability was discovered by Rio Darmawan from the Patchstack Alliance.

Understanding CVE-2023-23875

This section will provide an overview of the CVE-2023-23875 vulnerability, including its impact, technical details, affected systems, and mitigation strategies.

What is CVE-2023-23875?

CVE-2023-23875 highlights an Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in the Himanshu Bing Site Verification plugin using Meta Tag plugin versions 1.0 or below.

The Impact of CVE-2023-23875

The impact of this vulnerability is categorized as CAPEC-592 Stored XSS. It carries a CVSS v3.1 base score of 5.9, with a Medium severity level. The attack complexity is low, requiring high privileges from the user, and user interaction is essential for exploitation.

Technical Details of CVE-2023-23875

This section will delve into the technical aspects of the CVE-2023-23875 vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability involves an Authenticated Stored Cross-Site Scripting (XSS) issue in the Himanshu Bing Site Verification plugin using Meta Tag plugin versions 1.0 or below, allowing potential attackers to inject malicious scripts into the affected systems.

Affected Systems and Versions

The affected system is the Bing Site Verification plugin using Meta Tag for WordPress, specifically versions equal to or less than 1.0. Users utilizing these versions are at risk of exploitation.

Exploitation Mechanism

The exploitation of this vulnerability requires authentication as an admin or higher user. By exploiting this vulnerability, attackers can execute malicious scripts within the context of the targeted website.

Mitigation and Prevention

To address CVE-2023-23875 effectively, certain mitigation and prevention measures need to be implemented promptly to secure the affected systems.

Immediate Steps to Take

Update the Bing Site Verification plugin using Meta Tag to a secure version that addresses the XSS vulnerability.
Monitor for any malicious activities or unauthorized access on the website.
Educate users on safe web practices to minimize the risk of XSS attacks.

Long-Term Security Practices

Implement regular security audits and vulnerability scans on the WordPress website.
Utilize web application firewalls (WAFs) to filter and block malicious traffic.
Stay informed about security updates and patches provided by plugin developers.

Patching and Updates

Ensure that the plugin is regularly updated to the latest secure version to mitigate the risk of XSS attacks. Stay vigilant for security advisories and promptly apply patches released by the vendor.

By following these mitigation steps and best security practices, users can reduce the likelihood of falling victim to the CVE-2023-23875 vulnerability in the Bing Site Verification plugin using Meta Tag for WordPress.