CVE-2023-0812
📋 TL;DR
This vulnerability in the Active Directory Integration / LDAP Integration WordPress plugin allows unauthenticated attackers to access sensitive data through POST requests without proper authorization checks. WordPress sites using vulnerable versions of this plugin are affected. The issue stems from missing nonce validation and authorization controls.
💻 Affected Systems
- Active Directory Integration / LDAP Integration WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attackers could extract sensitive LDAP/Active Directory data including user information, group memberships, or configuration details stored by the plugin.
Likely Case
Attackers could enumerate user accounts, extract organizational structure information, or obtain configuration data that could facilitate further attacks.
If Mitigated
With proper network segmentation and access controls, impact would be limited to data accessible through the plugin's integration.
🎯 Exploit Status
WPScan references indicate public disclosure and likely exploitation attempts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.1.1
Vendor Advisory: https://wpscan.com/vulnerability/0ed5e1b3-f2a3-4eb1-b8ae-d3a62f600107
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'Active Directory Integration / LDAP Integration'. 4. Click 'Update Now' or manually update to version 4.1.1 or later.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate active-directory-integration-ldap-integration
Restrict POST Access
linuxUse web application firewall or .htaccess to restrict POST requests to plugin endpoints
# Add to .htaccess:
<FilesMatch "\.php$">
<IfModule mod_authz_core.c>
Require all denied
</IfModule>
<IfModule !mod_authz_core.c>
Order deny,allow
Deny from all
</IfModule>
</FilesMatch>
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress instance
- Deploy a web application firewall with rules to block suspicious POST requests to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Active Directory Integration / LDAP Integration version numberCheck Version:
wp plugin get active-directory-integration-ldap-integration --field=versionVerify Fix Applied:
Confirm plugin version is 4.1.1 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
- Multiple failed authentication attempts following data extraction
Network Indicators:
- Unusual outbound traffic patterns after POST requests to WordPress
- Data exfiltration patterns from WordPress server
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" AND "action=adi_" OR "action=ldap_") AND status=200