CVE-2023-4950 : What You Need to Know

This is a CVE record published by WPScan for the vulnerability "Funnelforms Free < 3.4 Unauthenticated Stored Cross-Site Scripting" affecting the Interactive Contact Form and Multi Step Form Builder WordPress plugin.

Understanding CVE-2023-4950

This CVE identifies a Cross-Site Scripting (XSS) vulnerability in versions of the Interactive Contact Form and Multi Step Form Builder WordPress plugin prior to 3.4. This vulnerability could be exploited by unauthenticated users to carry out XSS attacks.

What is CVE-2023-4950?

CVE-2023-4950 is a security vulnerability found in the Interactive Contact Form and Multi Step Form Builder WordPress plugin that allows unauthenticated users to execute Cross-Site Scripting attacks due to the lack of proper sanitization and escaping of certain parameters.

The Impact of CVE-2023-4950

The impact of CVE-2023-4950 could result in unauthenticated users injecting malicious scripts or code into web pages viewed by other users, potentially leading to account compromises, data theft, or other harmful activities.

Technical Details of CVE-2023-4950

This section provides a deeper insight into the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Interactive Contact Form and Multi Step Form Builder WordPress plugin before version 3.4 arises from inadequate sanitization and escaping of parameters, which enables unauthenticated users to carry out Cross-Site Scripting attacks by injecting malicious code.

Affected Systems and Versions

The vulnerability impacts versions of the Interactive Contact Form and Multi Step Form Builder WordPress plugin prior to version 3.4. Users with versions less than 3.4 are susceptible to the unauthenticated stored Cross-Site Scripting issue.

Exploitation Mechanism

Attackers can exploit the CVE-2023-4950 vulnerability by crafting and submitting specially-crafted input, such as scripts or code, through unvalidated parameters in the affected plugin. When these inputs are processed without proper sanitization, the malicious code gets executed within the context of the targeted user's session.

Mitigation and Prevention

To safeguard systems and mitigate the risk associated with CVE-2023-4950, users are advised to take immediate actions and implement long-term security practices.

Immediate Steps to Take

Update the Interactive Contact Form and Multi Step Form Builder WordPress plugin to version 3.4 or newer to eliminate the vulnerability.
Regularly monitor for any abnormal activities or suspicious input on your WordPress site.

Long-Term Security Practices

Implement a robust security policy that includes regular vulnerability assessments and security patches for all plugins.
Educate users and administrators on best practices to avoid falling victim to XSS attacks.
Consider employing web application firewalls and security plugins to enhance overall website security.

Patching and Updates

Stay vigilant for security updates from plugin developers and promptly patch any reported vulnerabilities to ensure the protection of your WordPress website. Regularly check for security advisories and apply updates as soon as they become available.