CVE-2023-49831
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the RegistrationMagic WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 5.2.3.0, potentially enabling unauthorized access to administrative functions or user data.
💻 Affected Systems
- RegistrationMagic (Custom Registration Form Builder with Submission Manager)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could gain administrative privileges, modify user data, or access sensitive registration information.
Likely Case
Unauthorized users could access or modify registration forms, user submissions, or plugin settings they shouldn't have access to.
If Mitigated
With proper access controls and authentication checks, the vulnerability would be prevented even if present.
🎯 Exploit Status
Exploitation requires some level of access but can bypass authorization checks once initial access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 5.2.3.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Go to Plugins → Installed Plugins
3. Find RegistrationMagic
4. Click 'Update Now' if available
5. If no update available, deactivate and remove the plugin
🔧 Temporary Workarounds
Disable RegistrationMagic Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate custom-registration-form-builder-with-submission-manager
Restrict Plugin Access
allUse WordPress role management to restrict who can access RegistrationMagic functionality
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable detailed logging and monitoring for unauthorized access attempts to RegistrationMagic functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins → RegistrationMagic versionCheck Version:
wp plugin get custom-registration-form-builder-with-submission-manager --field=versionVerify Fix Applied:
Verify plugin version is higher than 5.2.3.0 and test authorization controls📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to RegistrationMagic admin pages
- Unexpected modifications to registration forms or user data
Network Indicators:
- Unusual traffic patterns to /wp-admin/admin.php pages with RegistrationMagic parameters
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin.php" AND query="page=rm_*") AND user_role!="administrator"