CVE-2024-8290
📋 TL;DR
This vulnerability allows authenticated WordPress users with subscriber or customer permissions to modify administrator email addresses via an insecure direct object reference flaw. Attackers can then trigger password resets to gain administrative access. All WordPress sites using vulnerable versions of the WCFM plugin are affected.
💻 Affected Systems
- WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site takeover where attackers gain administrator privileges, install backdoors, steal sensitive data, and deface or destroy the website.
Likely Case
Attackers gain administrative access to compromise the WordPress site, potentially leading to data theft, malware injection, or unauthorized content changes.
If Mitigated
With proper access controls and monitoring, impact is limited to detection of unauthorized email modification attempts and prevention of successful privilege escalation.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an attacker has subscriber-level credentials.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.7.13 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3156433/wc-frontend-manager/trunk/controllers/customers/wcfm-controller-customers-manage.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WCFM plugin and update to version 6.7.13 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Temporarily disable WCFM plugin
allDisable the vulnerable plugin until patching is possible
wp plugin deactivate wc-frontend-manager
Restrict user registration
allTemporarily disable new user registration to prevent attacker account creation
🧯 If You Can't Patch
- Implement strict monitoring for user email modification events in WordPress logs
- Apply network-level restrictions to limit access to WordPress admin areas
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WCFM version 6.7.12 or earlier
Check Version:
wp plugin get wc-frontend-manager --field=version
Verify Fix Applied:
Confirm WCFM plugin version is 6.7.13 or later in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual user email modification events
- Multiple failed password reset attempts for admin accounts
- User role escalation from subscriber/customer to administrator
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with customer management parameters
- Traffic patterns showing privilege escalation attempts
SIEM Query:
source="wordpress.log" AND ("update_user" OR "user_email" OR "password_reset") AND user_role="administrator"
🔗 References
- https://plugins.trac.wordpress.org/browser/wc-frontend-manager/tags/6.7.12/controllers/customers/wcfm-controller-customers-manage.php#L97
- https://plugins.trac.wordpress.org/changeset/3156433/wc-frontend-manager/trunk/controllers/customers/wcfm-controller-customers-manage.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/79172fe3-c0cf-48c4-8bc5-862c628c1a09?source=cve