CVE-2021-24514 : Exploit Details and Defense Strategies
Learn about CVE-2021-24514, a vulnerability in Visual Form Builder WordPress plugin allowing high privilege users to execute Cross-Site Scripting attacks. Take immediate steps to update the plugin for security.
This article provides detailed information about CVE-2021-24514, a vulnerability found in the Visual Form Builder WordPress plugin before version 3.0.4, that allows high privilege users to execute Cross-Site Scripting attacks.
Understanding CVE-2021-24514
This section delves into what CVE-2021-24514 entails, including its impact and technical details.
What is CVE-2021-24514?
The Visual Form Builder WordPress plugin prior to version 3.0.4 fails to sanitize or escape its Form Name input, enabling privileged users like admins to inject Cross-Site Scripting payloads, even if unfiltered_html capability is restricted.
The Impact of CVE-2021-24514
The vulnerability enables attackers to embed malicious scripts into form names, posing a risk of executing unauthorized code on affected websites, potentially leading to data theft or site defacement.
Technical Details of CVE-2021-24514
This section outlines specific technical aspects of the CVE for better understanding.
Vulnerability Description
The flaw arises from the plugin's failure to properly sanitize user inputs, making it susceptible to stored Cross-Site Scripting attacks.
Affected Systems and Versions
Visual Form Builder versions prior to 3.0.4 are affected by this vulnerability.
Exploitation Mechanism
Attackers, particularly high privilege users, can exploit this vulnerability by injecting malicious scripts into the form names via the plugin.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-24514, immediate steps should be taken followed by long-term security practices and timely patching.
Immediate Steps to Take
Website administrators are advised to update the Visual Form Builder plugin to version 3.0.4 or newer to address this vulnerability.
Long-Term Security Practices
Incorporating secure coding practices, regular security audits, and user input validation can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security updates and apply patches promptly to safeguard against known vulnerabilities.