CVE-2024-10284
📋 TL;DR
The CE21 Suite WordPress plugin up to version 2.2.0 contains a hardcoded encryption key that allows unauthenticated attackers to bypass authentication and log in as any existing user, including administrators, if they know the user's email address. This affects all WordPress sites using vulnerable versions of the CE21 Suite plugin.
💻 Affected Systems
- CE21 Suite WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative access to WordPress sites, allowing them to install backdoors, modify content, steal sensitive data, or take complete control of the infrastructure.
Likely Case
Attackers compromise administrator accounts to install malware, create backdoor users, or deface websites.
If Mitigated
With proper network segmentation and monitoring, impact is limited to the WordPress instance only, with quick detection of unauthorized access.
🎯 Exploit Status
Exploitation requires only knowledge of a valid user email address and the hardcoded key from the plugin source code.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.2.1 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/ce21-suite/trunk/single-sign-on-ce21.php?rev=3097700#L242
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find CE21 Suite plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 2.2.1+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable CE21 Suite Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate ce21-suite
Restrict Access to WordPress Admin
allLimit access to WordPress admin interface using IP whitelisting or web application firewall rules.
🧯 If You Can't Patch
- Remove the CE21 Suite plugin entirely from the WordPress installation
- Implement strong network segmentation to isolate WordPress instance from critical systems
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for CE21 Suite version 2.2.0 or earlier.Check Version:
wp plugin get ce21-suite --field=versionVerify Fix Applied:
Verify CE21 Suite plugin version is 2.2.1 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication attempts from unknown IPs
- Multiple failed login attempts followed by successful login from same IP
- Administrator account logins from unusual locations
Network Indicators:
- HTTP POST requests to WordPress login endpoints with unusual parameters
- Traffic patterns showing authentication bypass attempts
SIEM Query:
source="wordpress.log" AND ("ce21_authentication_phrase" OR "ce21-suite") AND (status=200 OR "login successful")