CVE-2024-56044: WPLMS Auth Bypass Vulnerability

CVE-2024-56044 Overview

CVE-2024-56044 is an Authentication Bypass Using an Alternate Path or Channel vulnerability affecting the VibeThemes WPLMS plugin for WordPress. This security flaw enables unauthenticated attackers to bypass authentication mechanisms and generate arbitrary user tokens, potentially allowing complete account takeover of any user on the affected WordPress site, including administrators.

Critical Impact

Unauthenticated attackers can bypass authentication controls and generate user tokens for any account, potentially leading to complete site compromise including administrative access.

Affected Products

• VibeThemes WordPress Learning Management System (WPLMS Plugin) versions through 1.9.9
• WordPress sites running the vulnerable wplms_plugin
• Learning management systems built on the WPLMS platform

Discovery Timeline

• 2024-12-31 - CVE-2024-56044 published to NVD
• 2026-04-01 - Last updated in NVD database

Technical Details for CVE-2024-56044

Vulnerability Analysis

This vulnerability falls under CWE-288 (Authentication Bypass Using an Alternate Path or Channel). The WPLMS plugin contains a flaw in its authentication handling that allows attackers to circumvent the normal authentication flow entirely. By exploiting an alternate path within the plugin's code, unauthenticated users can generate valid authentication tokens for arbitrary user accounts without providing credentials.

The vulnerability is particularly concerning in the context of a Learning Management System, where sensitive user data including student records, course materials, payment information, and administrative controls may be accessible to attackers.

Root Cause

The root cause of CVE-2024-56044 lies in insufficient validation of authentication requests within the WPLMS plugin. The plugin exposes functionality that generates user tokens without properly verifying that the requesting party has legitimate authentication credentials. This alternate authentication channel bypasses standard WordPress authentication controls, allowing direct token generation for any user account on the system.

Attack Vector

An attacker can exploit this vulnerability remotely without any prior authentication. The attack targets the WPLMS plugin's token generation functionality, which fails to validate that requests originate from authenticated sessions. By crafting specific requests to the vulnerable endpoint, attackers can obtain valid session tokens for any user account, including administrator accounts.

The exploitation does not require user interaction, making it particularly dangerous for public-facing WordPress sites running the vulnerable plugin version. Once a token is obtained, the attacker can impersonate the target user with full privileges.

For detailed technical analysis of this vulnerability, refer to the Patchstack WordPress Plugin Advisory.

Detection Methods for CVE-2024-56044

Indicators of Compromise

• Unusual token generation requests in WordPress and web server logs targeting WPLMS plugin endpoints
• Unexpected login sessions for user accounts, particularly administrator accounts
• Authentication events occurring without corresponding credential validation entries
• Multiple rapid authentication attempts from single IP addresses targeting various user accounts

Detection Strategies

• Monitor web application logs for anomalous requests to WPLMS plugin authentication endpoints
• Implement Web Application Firewall (WAF) rules to detect and block suspicious authentication bypass attempts
• Review WordPress authentication logs for sessions created without standard login procedures
• Enable enhanced logging for the WPLMS plugin to capture all token generation activities

Monitoring Recommendations

• Configure alerts for unexpected administrative session creation
• Implement rate limiting on authentication-related endpoints to detect enumeration attempts
• Set up integrity monitoring for WordPress user tables and authentication tokens
• Deploy endpoint detection solutions to identify post-exploitation activities following account compromise

How to Mitigate CVE-2024-56044

Immediate Actions Required

• Update the WPLMS plugin to a version newer than 1.9.9 that addresses this vulnerability
• Review all user accounts for unauthorized access or suspicious activity
• Invalidate existing session tokens and force re-authentication for all users
• Implement additional access controls at the web server or WAF level while awaiting patch deployment

Patch Information

Organizations should update the VibeThemes WPLMS plugin to the latest available version that addresses this authentication bypass vulnerability. Check the Patchstack Advisory for the latest patch information and version requirements.

Workarounds

• Restrict access to the WordPress admin panel and WPLMS endpoints using IP whitelisting
• Implement a Web Application Firewall with rules blocking unauthenticated requests to WPLMS authentication endpoints
• Temporarily disable the WPLMS plugin if it is not critical to operations until a patch is applied
• Enable multi-factor authentication for all administrative accounts to add an additional security layer

# Example: Restrict access to WPLMS plugin endpoints via .htaccess
<IfModule mod_rewrite.c>
    RewriteEngine On
    # Block direct access to WPLMS plugin endpoints from unauthorized IPs
    RewriteCond %{REQUEST_URI} ^/wp-content/plugins/wplms_plugin/ [NC]
    RewriteCond %{REMOTE_ADDR} !^192\.168\.1\. [NC]
    RewriteRule ^(.*)$ - [F,L]
</IfModule>