CVE-2024-11028
📋 TL;DR
This vulnerability allows unauthenticated attackers to bypass authentication in the MultiManager WP WordPress plugin by generating impersonation links. Attackers can log in as any existing user, including administrators, gaining full control of affected WordPress sites. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- MultiManager WP – Manage All Your WordPress Sites Easily
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover with administrative privileges, allowing data theft, malware installation, defacement, and backdoor persistence.
Likely Case
Administrative account compromise leading to data exfiltration, plugin/theme manipulation, and unauthorized content changes.
If Mitigated
Limited impact with proper network segmentation, strong authentication monitoring, and regular security audits.
🎯 Exploit Status
Exploitation requires generating a specific URL with user-supplied parameters. Public proof-of-concept code is available in the WordPress plugin repository changesets.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.2
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3184826/multimanager-wp
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find MultiManager WP plugin. 4. Click 'Update Now' to update to version 1.1.2 or later. 5. Verify update completes successfully.
🔧 Temporary Workarounds
Disable plugin immediately
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate multimanager-wp
Remove plugin files
linuxCompletely remove the plugin files if immediate patching isn't possible
rm -rf /path/to/wordpress/wp-content/plugins/multimanager-wp/
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block requests containing impersonation parameters
- Enable strict user authentication monitoring and alert on unusual login patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for MultiManager WP version. If version is 1.0.5 or earlier, the site is vulnerable.Check Version:
wp plugin get multimanager-wp --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.1.2 or later in WordPress admin panel. Test that user impersonation feature requires proper authentication.📡 Detection & Monitoring
Log Indicators:
- Unusual user impersonation requests in WordPress logs
- Administrative actions from unexpected IP addresses
- Multiple failed login attempts followed by successful impersonation
Network Indicators:
- HTTP requests containing 'impersonation' or user ID parameters to plugin endpoints
- Unusual traffic patterns to /wp-content/plugins/multimanager-wp/
SIEM Query:
source="wordpress.log" AND "multimanager-wp" AND ("impersonation" OR "user_id")🔗 References
- https://plugins.trac.wordpress.org/changeset/3184657/multimanager-wp
- https://plugins.trac.wordpress.org/changeset/3184678/multimanager-wp
- https://plugins.trac.wordpress.org/changeset/3184826/multimanager-wp
- https://www.wordfence.com/threat-intel/vulnerabilities/id/de8e7adc-3777-4fb1-a708-68da950e3d4f?source=cve
