CVE-2023-25442 : Vulnerability Insights and Analysis

This CVE-2023-25442 involves a vulnerability in the Marcel Pol Zeno Font Resizer plugin for WordPress versions up to 1.7.9, which allows for an authenticated (admin+) Stored Cross-site Scripting (XSS) attack. The vulnerability has been identified as "CAPEC-592 Stored XSS" with a CVSSv3.1 base score of 5.9.

Understanding CVE-2023-25442

This CVE points out a security flaw in the Marcel Pol Zeno Font Resizer plugin for WordPress versions up to 1.7.9, enabling an attacker with admin privileges to execute a Stored Cross-site Scripting (XSS) attack.

What is CVE-2023-25442?

CVE-2023-25442 is a vulnerability in the Zeno Font Resizer plugin for WordPress, allowing an authenticated attacker with admin privileges to inject malicious scripts, potentially leading to unauthorized actions within the application.

The Impact of CVE-2023-25442

The impact of this vulnerability is rated as MEDIUM severity, with a CVSSv3.1 base score of 5.9. If exploited, it could lead to a compromise of confidentiality, integrity, and availability of the affected WordPress site.

Technical Details of CVE-2023-25442

This section provides more insight into the vulnerability, impacted systems, and how the exploitation can occur.

Vulnerability Description

The vulnerability lies in the inadequate input neutralization during the generation of web pages, allowing admin users to store malicious scripts, which are then executed in the context of the user's web browser.

Affected Systems and Versions

The Marcel Pol Zeno Font Resizer plugin versions less than or equal to 1.7.9 are vulnerable to this Stored XSS issue.

Exploitation Mechanism

Attackers with admin privileges can exploit this vulnerability by storing specially crafted scripts in the plugin, which are then executed when accessed by other users, leading to a successful XSS attack.

Mitigation and Prevention

It's crucial to take immediate steps to address this vulnerability and prevent potential exploitation.

Immediate Steps to Take

Website administrators using the Marcel Pol Zeno Font Resizer plugin should update to version 1.8.0 or higher to mitigate the risk of this Stored XSS vulnerability.

Long-Term Security Practices

Regularly monitoring for security updates and promptly applying patches to all plugins and themes used in WordPress installations can help prevent such vulnerabilities in the future.

Patching and Updates

Ensuring that all software components, including plugins and themes, are kept up to date with the latest security patches is essential to safeguard the WordPress site against potential threats like Cross-site Scripting (XSS) attacks.