CVE-2021-24387 : Vulnerability Insights and Analysis

The WP Pro Real Estate 7 WordPress theme before version 3.1.1 is affected by a reflected Cross-Site Scripting (XSS) vulnerability that stems from insufficient sanitization of the ct_community parameter in the search listing page.

Understanding CVE-2021-24387

This CVE involves a security issue in the WP Pro Real Estate 7 WordPress theme that allows for the execution of XSS attacks through the ct_community parameter.

What is CVE-2021-24387?

The vulnerability in WP Pro Real Estate 7 theme before 3.1.1 permits malicious actors to inject and execute arbitrary scripts in the context of unauthenticated or authenticated users, posing a risk of unauthorized access or data theft.

The Impact of CVE-2021-24387

Exploitation of this vulnerability can lead to unauthorized access, data manipulation, and potentially the compromise of sensitive information on affected systems running the vulnerable version of the Real Estate 7 theme.

Technical Details of CVE-2021-24387

The following technical aspects are crucial to understand the implications of CVE-2021-24387.

Vulnerability Description

The reflected Cross-Site Scripting (XSS) vulnerability arises from the lack of proper sanitization of the ct_community parameter in the search listing page of the WP Pro Real Estate 7 theme, enabling attackers to inject malicious scripts.

Affected Systems and Versions

The vulnerability affects versions of WP Pro Real Estate 7 theme prior to version 3.1.1, with version 3.1.1 being the first release that addresses this security flaw.

Exploitation Mechanism

By manipulating the ct_community parameter in the search listing page, threat actors can craft malicious payloads that execute within the context of unsuspecting users, allowing for various malicious activities.

Mitigation and Prevention

To safeguard your systems and data from potential exploits related to CVE-2021-24387, the following steps should be taken:

Immediate Steps to Take

Update WP Pro Real Estate 7 theme to version 3.1.1 or later to eliminate the vulnerability and enhance security.
Monitor web application logs for any suspicious activity that might indicate an exploitation attempt.

Long-Term Security Practices

Implement a web application firewall (WAF) to filter and block malicious traffic attempting to exploit XSS vulnerabilities.
Educate developers and administrators on secure coding practices and the risks associated with inadequate input sanitization.

Patching and Updates

Regularly apply security patches and updates provided by theme developers to ensure that known vulnerabilities are promptly addressed and mitigated.