CVE-2021-24137 : Vulnerability Insights and Analysis

Blog2Social: Social Media Auto Post & Scheduler plugin before version 6.3.1 in WordPress is vulnerable to SQL Injection in the Re-Share Posts feature. This allows authenticated users to inject arbitrary SQL commands.

Understanding CVE-2021-24137

This CVE describes a security vulnerability in the Blog2Social plugin, enabling SQL Injection attacks by authenticated users.

What is CVE-2021-24137?

The vulnerability in Blog2Social plugin versions prior to 6.3.1 allows authenticated users to execute SQL Injection attacks via the Re-Share Posts feature.

The Impact of CVE-2021-24137

Exploitation of this vulnerability could lead to unauthorized access to sensitive data, manipulation of posts, and potentially a complete takeover of the affected WordPress site by attackers.

Technical Details of CVE-2021-24137

The technical details of this CVE include:

Vulnerability Description

The issue is due to unvalidated user input, which can be exploited by authenticated users to inject malicious SQL queries.

Affected Systems and Versions

Blog2Social plugin versions before 6.3.1 are affected by this vulnerability.

Exploitation Mechanism

Attackers with authenticated access can craft and submit malicious SQL commands through the Re-Share Posts feature to exploit this vulnerability.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-24137, consider the following steps:

Immediate Steps to Take

Update the Blog2Social plugin to version 6.3.1 or later.
Monitor for any suspicious activities on the WordPress site.

Long-Term Security Practices

Regularly audit and review user input validation mechanisms in WordPress plugins.
Educate users on best practices regarding strong passwords and secure login credentials.

Patching and Updates

Frequent updates and patches from the plugin vendor are essential to ensure the elimination of vulnerabilities and enhance the overall security posture of WordPress sites.