CVE-2021-24900 : What You Need to Know

This article provides detailed insights into CVE-2021-24900, a vulnerability found in the Ninja Tables WordPress plugin before version 4.1.8 that could lead to Cross-Site Scripting attacks.

Understanding CVE-2021-24900

CVE-2021-24900 is a security vulnerability discovered in the Ninja Tables plugin for WordPress, impacting versions prior to 4.1.8. The vulnerability allows high privilege users to execute Cross-Site Scripting attacks despite restrictions.

What is CVE-2021-24900?

The CVE-2021-24900 vulnerability stems from the lack of proper sanitization and escaping of certain table fields in the Ninja Tables WordPress plugin, enabling attackers with elevated privileges to exploit Cross-Site Scripting vulnerabilities.

The Impact of CVE-2021-24900

This vulnerability could be exploited by high privilege users to inject malicious scripts into the plugin's table fields, leading to Cross-Site Scripting attacks on vulnerable websites using the affected versions of the Ninja Tables plugin.

Technical Details of CVE-2021-24900

Below are the technical details related to CVE-2021-24900:

Vulnerability Description

The Ninja Tables WordPress plugin before version 4.1.8 fails to properly sanitize and escape some table fields, allowing attackers to execute Cross-Site Scripting attacks.

Affected Systems and Versions

The vulnerability affects Ninja Tables plugin versions prior to 4.1.8.

Exploitation Mechanism

Attackers with high privilege can exploit this vulnerability to insert malicious scripts into table fields, bypassing security restrictions.

Mitigation and Prevention

Understanding the severity of CVE-2021-24900, it is crucial to take immediate action to mitigate potential risks and prevent exploitation.

Immediate Steps to Take

Website administrators are advised to update the Ninja Tables plugin to version 4.1.8 or newer to patch the vulnerability and prevent Cross-Site Scripting attacks.

Long-Term Security Practices

Implement strict input validation and output encoding practices to prevent Cross-Site Scripting vulnerabilities in WordPress plugins.

Patching and Updates

Regularly monitor for security updates and apply patches promptly to secure WordPress installations and prevent exploitation of known vulnerabilities.