CVE-2021-24902 : Vulnerability Insights and Analysis

Typebot | Build beautiful conversational forms WordPress plugin before version 1.4.3 is vulnerable to Cross-Site Scripting (XSS) attacks due to inadequate sanitization of the Publish ID setting. This could potentially enable high privilege users to execute malicious scripts.

Understanding CVE-2021-24902

This CVE involves a security vulnerability in the Typebot WordPress plugin that allows attackers to perform stored XSS attacks under certain conditions.

What is CVE-2021-24902?

The CVE-2021-24902 vulnerability exists in versions of the Typebot | Build beautiful conversational forms WordPress plugin before 1.4.3, where the Publish ID setting is not properly sanitized and escaped.

The Impact of CVE-2021-24902

This vulnerability could be exploited by high privilege users to execute arbitrary JavaScript code in the context of an administrator's session, potentially leading to account compromise or injection of malicious content.

Technical Details of CVE-2021-24902

This section provides more insight into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

Typebot plugin before version 1.4.3 fails to sanitize the Publish ID setting, allowing attackers to inject malicious scripts, leading to stored Cross-Site Scripting attacks.

Affected Systems and Versions

Typebot plugin versions prior to 1.4.3 are affected by this vulnerability.

Exploitation Mechanism

By exploiting this vulnerability, attackers could craft a malicious payload in the Publish ID setting, which triggers when viewed by an administrator, leading to script execution.

Mitigation and Prevention

To safeguard your system from CVE-2021-24902, take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update the Typebot plugin to version 1.4.3 or higher to mitigate the vulnerability.
Monitor for any unauthorized access or unusual activities on your WordPress site.

Long-Term Security Practices

Regularly update all installed plugins and themes to the latest versions.
Implement strict access controls and user permissions to limit exposure to high privilege capabilities.

Patching and Updates

Always keep your WordPress plugins up-to-date, as developers often release patches to address security vulnerabilities like CVE-2021-24902.