CVE-2024-31243
📋 TL;DR
CVE-2024-31243 is a missing authorization vulnerability in the Bricksforge WordPress plugin that allows unauthenticated attackers to delete arbitrary WordPress settings. This affects all WordPress sites running Bricksforge plugin versions up to 2.0.17. The vulnerability enables attackers to disrupt site functionality and potentially cause denial of service.
💻 Affected Systems
- WordPress Bricksforge Plugin
📦 What is this software?
Bricksforge by Bricksforge
⚠️ Risk & Real-World Impact
Worst Case
Attackers could delete critical WordPress configuration settings, causing complete site failure, data loss, or enabling further attacks by removing security settings.
Likely Case
Attackers delete important site settings causing partial or complete site disruption, requiring administrator intervention to restore functionality.
If Mitigated
With proper network controls and updated software, the vulnerability is prevented from being exploited, maintaining normal site operations.
🎯 Exploit Status
The vulnerability requires no authentication and has publicly available technical details, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.18 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Bricksforge plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin until patched version is available.
🔧 Temporary Workarounds
Disable Bricksforge Plugin
allTemporarily deactivate the vulnerable plugin until patched version can be installed.
wp plugin deactivate bricksforge
Web Application Firewall Rule
allBlock requests to Bricksforge plugin endpoints that could be exploited.
🧯 If You Can't Patch
- Deactivate and remove the Bricksforge plugin immediately
- Implement strict network access controls to limit access to WordPress admin and plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Bricksforge version. If version is 2.0.17 or earlier, you are vulnerable.
Check Version:
wp plugin list --name=bricksforge --field=version
Verify Fix Applied:
Verify Bricksforge plugin version is 2.0.18 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Bricksforge plugin endpoints from unauthenticated users
- WordPress option deletion logs from unknown sources
Network Indicators:
- HTTP requests to /wp-content/plugins/bricksforge/ endpoints without authentication
- Unusual DELETE or POST requests to WordPress admin-ajax.php with bricksforge actions
SIEM Query:
source="wordpress" AND (uri_path="/wp-content/plugins/bricksforge/" OR uri_path="/wp-admin/admin-ajax.php") AND http_method="POST" AND user_agent NOT CONTAINS "wp-admin"
🔗 References
- https://patchstack.com/database/vulnerability/bricksforge/wordpress-bricksforge-plugin-2-0-17-unauthenticated-arbitrary-wordpress-setting-deletion-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/bricksforge/wordpress-bricksforge-plugin-2-0-17-unauthenticated-arbitrary-wordpress-setting-deletion-vulnerability?_s_id=cve