CVE-2024-3711
📋 TL;DR
The Brizy Page Builder WordPress plugin has a missing capability check vulnerability that allows authenticated users with contributor-level access or higher to modify plugin settings. Attackers can enable/disable the Brizy editor and change templates without proper authorization. This affects all WordPress sites using Brizy Page Builder up to version 2.4.43.
💻 Affected Systems
- Brizy - Page Builder WordPress Plugin
📦 What is this software?
Brizy by Brizy
⚠️ Risk & Real-World Impact
Worst Case
An attacker could disable the Brizy editor for all users, disrupt website editing workflows, or change templates to inject malicious content that affects site visitors.
Likely Case
Malicious contributors could modify site templates or disable the editor to cause minor disruption to content management operations.
If Mitigated
With proper user role management and monitoring, impact is limited to minor configuration changes that can be quickly reverted.
🎯 Exploit Status
Exploitation requires authenticated access with contributor privileges or higher. The vulnerability is simple to exploit once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.44
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3086506%40brizy%2Ftrunk&old=3058896%40brizy%2Ftrunk
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Brizy Page Builder and click 'Update Now'. 4. Alternatively, download version 2.4.44+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Temporarily disable Brizy plugin
allDeactivate the Brizy plugin until patched to prevent exploitation
wp plugin deactivate brizy
Restrict user roles
allTemporarily remove contributor access or limit user roles that can access WordPress admin
🧯 If You Can't Patch
- Implement strict user role management and review all users with contributor access or higher
- Enable WordPress security plugins that monitor for unauthorized configuration changes
🔍 How to Verify
Check if Vulnerable:
Check Brizy plugin version in WordPress admin panel under Plugins > Installed Plugins
Check Version:
wp plugin get brizy --field=version
Verify Fix Applied:
Verify Brizy plugin version is 2.4.44 or higher after update
📡 Detection & Monitoring
Log Indicators:
- WordPress admin logs showing unauthorized access to Brizy plugin settings
- User role changes or unusual contributor-level activity
Network Indicators:
- HTTP POST requests to /wp-admin/admin-ajax.php with action parameters containing 'brizy_'
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND http_method="POST" AND (form_data.action="brizy_action_request_disable" OR form_data.action="brizy_action_change_template" OR form_data.action="brizy_action_request_enable"))
🔗 References
- https://plugins.trac.wordpress.org/browser/brizy/trunk/admin/main.php
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3086506%40brizy%2Ftrunk&old=3058896%40brizy%2Ftrunk&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7092ce4a-bad9-4426-b94e-d9d688344272?source=cve
- https://plugins.trac.wordpress.org/browser/brizy/trunk/admin/main.php
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3086506%40brizy%2Ftrunk&old=3058896%40brizy%2Ftrunk&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7092ce4a-bad9-4426-b94e-d9d688344272?source=cve