CVE-2021-24987 : Vulnerability Insights and Analysis

The Super Socializer WordPress plugin before version 7.13.30 is vulnerable to Reflected Cross-Site Scripting (XSS) due to the lack of proper sanitization in the

the_champ_sharing_count

AJAX action.

Understanding CVE-2021-24987

This vulnerability in the Super Socializer plugin could allow an attacker to execute malicious scripts on the victim's browser, leading to potential data theft or unauthorized actions.

What is CVE-2021-24987?

The CVE-2021-24987 vulnerability is a Reflected Cross-Site Scripting (XSS) flaw in the Super Socializer WordPress plugin before version 7.13.30. It arises from unsanitized user input in the plugin's AJAX functionality.

The Impact of CVE-2021-24987

Exploitation of this vulnerability could result in malicious actors executing arbitrary JavaScript code in the context of an authenticated or unauthenticated user, potentially leading to account compromise, data theft, or further attacks.

Technical Details of CVE-2021-24987

The following technical details describe the nature of the vulnerability:

Vulnerability Description

The issue arises from the lack of proper sanitization and escaping of the 'urls' parameter in the 'the_champ_sharing_count' AJAX action.

Affected Systems and Versions

The Super Socializer plugin versions prior to 7.13.30 are affected by this XSS vulnerability.

Exploitation Mechanism

Attackers can craft specially designed URLs to inject and execute malicious scripts, taking advantage of the lack of input validation in the plugin's AJAX response.

Mitigation and Prevention

To address CVE-2021-24987, users and administrators can take the following steps:

Immediate Steps to Take

Update the Super Socializer plugin to version 7.13.30 or later to mitigate the vulnerability.
Consider disabling the affected plugin until it is updated to a secure version.

Long-Term Security Practices

Regularly update WordPress plugins and themes to ensure the latest security patches are applied.
Educate users on the importance of avoiding suspicious links and practicing safe browsing habits.

Patching and Updates

Stay informed about security advisories related to the Super Socializer plugin and promptly apply patches and updates to address known vulnerabilities.