CVE-2021-24530 : What You Need to Know

Alojapro Widget WordPress plugin version 1.1.15 and prior are prone to an Authenticated Stored Cross-Site Scripting (XSS) vulnerability, allowing high privilege users to execute XSS attacks via Custom CSS settings. Read on to understand the impact, technical details, and mitigation steps.

Understanding CVE-2021-24530

This section will provide insights into the CVE-2021-24530 vulnerability affecting Alojapro Widget WordPress plugin.

What is CVE-2021-24530?

The Alojapro Widget WordPress plugin up to version 1.1.15 fails to properly sanitize Custom CSS settings, enabling authenticated high privilege users to carry out Cross-Site Scripting attacks, bypassing the unfiltered_html capability.

The Impact of CVE-2021-24530

With this vulnerability, attackers with elevated privileges can inject malicious scripts into the plugin's Custom CSS settings, potentially compromising the website and its visitors.

Technical Details of CVE-2021-24530

In this section, we delve into the specific technical aspects of the CVE-2021-24530 vulnerability.

Vulnerability Description

The issue arises from the inadequate sanitization of user inputs in the Custom CSS settings of the Alojapro Widget plugin, leading to XSS vulnerabilities.

Affected Systems and Versions

The vulnerability affects Alojapro Widget plugin versions up to 1.1.15.

Exploitation Mechanism

By manipulating the Custom CSS settings, authenticated malicious users can inject and execute arbitrary scripts on the target website, posing a serious security risk.

Mitigation and Prevention

Discover the essential steps to mitigate the risks associated with CVE-2021-24530.

Immediate Steps to Take

Website administrators are advised to update the Alojapro Widget plugin to the latest version immediately to patch the XSS vulnerability.

Long-Term Security Practices

Implementing content security policies (CSP) and regular security audits can help prevent XSS attacks and enhance overall website security.

Patching and Updates

Stay informed about security updates for plugins and regularly check for patches to address known vulnerabilities like CVE-2021-24530.