CVE-2024-6695
📋 TL;DR
This vulnerability allows unauthenticated attackers to gain administrative access to affected systems by exploiting a logic flaw in the user registration process. Attackers can perform any administrative action without having any account on the target site. This affects systems running vulnerable versions of the software with user registration enabled.
💻 Affected Systems
- WordPress
📦 What is this software?
Profile Builder by Cozmoslabs
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise where attackers gain full administrative control, can modify content, steal data, install backdoors, or take down the entire system.
Likely Case
Attackers gain administrative access to create backdoor accounts, modify system settings, access sensitive data, or deface the website.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring in place to detect unauthorized access attempts.
🎯 Exploit Status
The vulnerability is in the registration process logic, making exploitation straightforward for attackers who understand the flaw.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check WordPress core updates or plugin updates if applicable
Vendor Advisory: https://wpscan.com/vulnerability/4afa5c85-ce27-4ca7-bba2-61fb39c53a5b/
Restart Required: No
Instructions:
1. Update WordPress to the latest version. 2. Update all plugins and themes. 3. Check for security patches from the specific plugin/theme vendor if this is a plugin/theme vulnerability.
🔧 Temporary Workarounds
Disable User Registration
allTemporarily disable user registration functionality to prevent exploitation
In WordPress admin: Settings > General > uncheck 'Anyone can register'
Implement Web Application Firewall Rules
allBlock suspicious registration attempts
Configure WAF to block requests with suspicious registration parameters
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Enable detailed logging and monitoring of all registration attempts
🔍 How to Verify
Check if Vulnerable:
Check if user registration is enabled and test registration flow for logic flaws
Check Version:
In WordPress: Dashboard > Updates or check wp-includes/version.php
Verify Fix Applied:
Test registration process to ensure proper authentication checks are in place
📡 Detection & Monitoring
Log Indicators:
- Unusual registration attempts, multiple admin account creations, registration from suspicious IPs
Network Indicators:
- HTTP POST requests to registration endpoints with modified parameters
SIEM Query:
source="web_logs" AND (uri_path="/wp-login.php?action=register" OR uri_path CONTAINS "register") AND status_code=200