CVE-2024-56042: Vibethemes WPLMS SQLi Vulnerability

CVE-2024-56042 Overview

CVE-2024-56042 is a critical SQL Injection vulnerability affecting the VibeThemes WPLMS (WordPress Learning Management System) plugin. This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands against the WordPress database, potentially leading to complete database compromise, data exfiltration, and unauthorized access to sensitive user information. The vulnerability stems from improper neutralization of special elements used in SQL commands within the WPLMS plugin.

Critical Impact

Unauthenticated attackers can exploit this SQL Injection vulnerability to extract sensitive data, modify database contents, or potentially achieve remote code execution through database manipulation techniques.

Affected Products

• VibeThemes WPLMS plugin versions prior to 1.9.9.5.3
• WordPress installations running vulnerable WPLMS versions
• WordPress Learning Management System deployments using affected plugin versions

Discovery Timeline

• 2024-12-31 - CVE-2024-56042 published to NVD
• 2025-12-12 - Last updated in NVD database

Technical Details for CVE-2024-56042

Vulnerability Analysis

This SQL Injection vulnerability (CWE-89) exists in the WPLMS plugin due to improper neutralization of user-supplied input before it is incorporated into SQL queries. The vulnerability is particularly severe because it requires no authentication, meaning any remote attacker can exploit it without needing valid credentials on the target WordPress site.

The attack surface is exposed over the network, and successful exploitation can lead to complete compromise of data confidentiality, integrity, and availability. Attackers can leverage this vulnerability to extract user credentials, course data, payment information, and other sensitive data stored in the WordPress database.

Root Cause

The root cause of this vulnerability is inadequate input validation and sanitization in the WPLMS plugin. User-controlled input is passed directly to SQL queries without proper parameterization or escaping, allowing attackers to inject malicious SQL statements. This represents a fundamental failure to follow secure coding practices for database interactions, specifically the lack of prepared statements or proper input sanitization mechanisms.

Attack Vector

The vulnerability is exploitable remotely over the network without requiring any user interaction or authentication. An attacker can craft malicious HTTP requests containing SQL injection payloads that are processed by the vulnerable WPLMS plugin. The attack complexity is low, making exploitation straightforward for attackers with basic SQL injection knowledge.

The typical attack flow involves identifying vulnerable input parameters, crafting payloads to extract database schema information, and then systematically exfiltrating data or modifying database records. Advanced attackers may chain this with other techniques to achieve code execution on the underlying server.

Detection Methods for CVE-2024-56042

Indicators of Compromise

• Unusual or malformed HTTP requests containing SQL syntax patterns such as UNION SELECT, ' OR '1'='1, or encoded SQL commands targeting WPLMS endpoints
• Unexpected database queries or errors in WordPress/MySQL logs indicating SQL injection attempts
• Database log entries showing unusual SELECT statements extracting data from WordPress user tables or plugin-specific tables
• Web server access logs containing suspicious query strings with SQL metacharacters

Detection Strategies

• Deploy Web Application Firewall (WAF) rules configured to detect common SQL injection patterns and payloads
• Monitor WordPress debug logs and database slow query logs for anomalous query patterns
• Implement file integrity monitoring to detect unauthorized changes to WPLMS plugin files
• Review authentication logs for evidence of credential theft following potential data exfiltration

Monitoring Recommendations

• Enable detailed logging for WordPress and MySQL database activities
• Configure real-time alerting for requests containing SQL injection signatures targeting WPLMS-related URLs
• Establish baseline query patterns for the WPLMS plugin to identify deviations indicating exploitation attempts
• Monitor outbound network traffic for large data transfers that may indicate database exfiltration

How to Mitigate CVE-2024-56042

Immediate Actions Required

• Update the WPLMS plugin to version 1.9.9.5.3 or later immediately
• Review WordPress access logs and database logs for signs of prior exploitation
• Consider placing the WordPress site in maintenance mode until the patch is applied if immediate updating is not possible
• Audit user accounts and reset credentials if database compromise is suspected

Patch Information

VibeThemes has released version 1.9.9.5.3 of the WPLMS plugin which addresses this SQL Injection vulnerability. Administrators should update through the WordPress plugin management interface or by manually downloading the patched version from the official source. For detailed vulnerability information, refer to the Patchstack Vulnerability Advisory.

Workarounds

• Implement Web Application Firewall rules to filter SQL injection patterns as a temporary protective measure
• Restrict access to the WordPress admin and WPLMS endpoints to trusted IP addresses using .htaccess or server configuration
• Disable the WPLMS plugin temporarily if it is not critical to operations until the patch can be applied
• Use database user accounts with minimal required privileges to limit the impact of potential exploitation

# Example .htaccess configuration to restrict access
<IfModule mod_rewrite.c>
    RewriteEngine On
    # Block common SQL injection patterns
    RewriteCond %{QUERY_STRING} (\%27)|(\')|(\-\-)|(\%23)|(#) [NC]
    RewriteRule .* - [F,L]
</IfModule>