CVE-2024-12410
📋 TL;DR
This SQL injection vulnerability in the Front End Users WordPress plugin allows unauthenticated attackers to inject malicious SQL queries through the 'UserSearchField' parameter. Attackers can extract sensitive information from the database, including user credentials and other confidential data. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Front End Users WordPress plugin
📦 What is this software?
Front End Users by Etoilewebdesign
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to credential theft, data exfiltration, and potential privilege escalation or site takeover.
Likely Case
Extraction of sensitive user data including usernames, email addresses, and potentially hashed passwords from the WordPress database.
If Mitigated
Limited information disclosure if database permissions are properly restricted and sensitive data is encrypted.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and unauthenticated access makes this particularly dangerous.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.2.33 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/front-end-only-users/trunk/html/UsersPage.php#L55
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'Front End Users' plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin, then install the latest version from WordPress repository.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the vulnerable plugin until patched version is available
wp plugin deactivate front-end-only-users
Web Application Firewall Rule
allBlock SQL injection attempts targeting the UserSearchField parameter
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with SQL injection protection rules
- Restrict database user permissions to minimize potential damage from successful exploitation
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin panel under Plugins > Installed PluginsCheck Version:
wp plugin list --name=front-end-only-users --field=versionVerify Fix Applied:
Verify plugin version is 3.2.33 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- Requests with suspicious UserSearchField parameters
Network Indicators:
- HTTP POST requests containing SQL keywords in UserSearchField parameter
- Unusual database connection patterns
SIEM Query:
source="web_server" AND ("UserSearchField" AND ("UNION" OR "SELECT" OR "INSERT" OR "DELETE" OR "UPDATE"))