CVE-2023-2718 : Security Advisory and Response

This article delves into the details of CVE-2023-2718, which pertains to an Unauthenticated Stored Cross-Site Scripting vulnerability in the Contact Form Email plugin for WordPress.

Understanding CVE-2023-2718

This section provides an overview of the CVE-2023-2718 vulnerability and its implications.

What is CVE-2023-2718?

CVE-2023-2718 involves the Contact Form Email WordPress plugin before version 1.3.38. This plugin fails to properly sanitize user-submitted data, leaving it susceptible to Stored Cross-Site Scripting attacks. This vulnerability allows malicious actors to inject scripts into the plugin, potentially leading to unauthorized access, data theft, or further exploitation.

The Impact of CVE-2023-2718

The impact of CVE-2023-2718 can be significant, as it exposes websites using the Contact Form Email plugin to malicious attacks. Threat actors could exploit this vulnerability to execute arbitrary code, deface websites, steal sensitive information, or launch other malicious activities. Website owners and users are at risk of compromise if this vulnerability is exploited successfully.

Technical Details of CVE-2023-2718

This section provides a deeper insight into the technical aspects of CVE-2023-2718.

Vulnerability Description

The Contact Form Email plugin version prior to 1.3.38 lacks proper validation of user inputs, allowing attackers to inject malicious scripts into the plugin. When the injected code is executed within the context of a user's browser, it can lead to Cross-Site Scripting attacks, compromising the integrity and security of the website.

Affected Systems and Versions

The Contact Form Email plugin versions below 1.3.38 are affected by CVE-2023-2718. Websites using these vulnerable versions are at risk of exploitation unless appropriate remediation steps are taken promptly.

Exploitation Mechanism

Malicious actors can exploit CVE-2023-2718 by crafting specially designed payloads and submitting them through the vulnerable plugin's contact form. Once executed, the injected scripts can manipulate the website's content, steal user credentials, redirect users to malicious sites, or perform other actions controlled by the attacker.

Mitigation and Prevention

Protecting against CVE-2023-2718 requires immediate action and ongoing vigilance to prevent exploitation and secure vulnerable systems.

Immediate Steps to Take

Update the Contact Form Email plugin to version 1.3.38 or later to mitigate the vulnerability.
Implement Content Security Policy (CSP) to restrict the execution of untrusted scripts on the website.
Regularly monitor and audit user-submitted content to detect any suspicious or malicious payloads.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate website administrators and users about safe practices to prevent Cross-Site Scripting attacks.
Monitor security advisories and patches released by plugin developers to stay informed about the latest threats and updates.

Patching and Updates

Stay informed about security updates and patches released by the Contact Form Email plugin developer. Promptly apply patches to ensure that your website is protected against known vulnerabilities, including CVE-2023-2718. Regularly update all plugins and software components to maintain a secure web environment.