CVE-2023-0084 : Exploit Details and Defense Strategies

This is a detailed overview of CVE-2023-0084, a vulnerability found in the Metform Elementor Contact Form Builder plugin for WordPress.

Understanding CVE-2023-0084

This section delves into the specifics of CVE-2023-0084, shedding light on what it entails and its potential impact.

What is CVE-2023-0084?

CVE-2023-0084 refers to a Stored Cross-Site Scripting vulnerability present in the Metform Elementor Contact Form Builder plugin for WordPress. The issue arises from inadequate input sanitization and output escaping in text areas on forms, allowing unauthenticated attackers to inject malicious web scripts that execute when accessed by a user.

The Impact of CVE-2023-0084

The impact of this vulnerability is significant, as it enables attackers to execute arbitrary scripts on affected pages. This can lead to various forms of exploitation, including data theft, unauthorized access, and the potential compromise of user information.

Technical Details of CVE-2023-0084

This section provides a deeper dive into the technical aspects of CVE-2023-0084, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the Metform Elementor Contact Form Builder plugin for WordPress, specifically in its handling of text areas on forms. The lack of proper input sanitization and output escaping allows attackers to insert and execute malicious scripts on affected pages.

Affected Systems and Versions

The vulnerability impacts versions of the Metform Elementor Contact Form Builder plugin for WordPress up to and including 3.1.2. Users utilizing these versions are at risk of exploitation if the necessary precautions are not taken.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the text areas on forms within the plugin. When a user accesses a page containing the injected script, it executes, potentially leading to further malicious actions.

Mitigation and Prevention

In order to address CVE-2023-0084 effectively, it is crucial to understand the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users of the affected plugin should immediately update to a patched version (beyond 3.1.2) or disable the plugin if a patch is not available. Additionally, limiting access to the submissions page can help mitigate the risk of exploitation.

Long-Term Security Practices

Implementing strong input validation and output escaping practices in plugin development can help prevent similar vulnerabilities in the future. Regular security audits and monitoring for suspicious activities are also recommended for enhanced protection.

Patching and Updates

Staying informed about security updates released by the plugin developer is essential. Users should prioritize installing patches promptly to mitigate the risk posed by known vulnerabilities like CVE-2023-0084.