CVE-2024-7782
📋 TL;DR
This vulnerability allows authenticated attackers with Administrator-level WordPress access to delete arbitrary files on the server due to insufficient path validation in the Bit Form plugin. Successful exploitation can lead to remote code execution by deleting critical files like wp-config.php. WordPress sites using vulnerable versions of the Bit Form plugin are affected.
💻 Affected Systems
- Bit Form WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete site compromise via remote code execution leading to data theft, defacement, or ransomware deployment.
Likely Case
Site disruption or data loss from deletion of critical WordPress files, potentially requiring full restoration from backups.
If Mitigated
Limited impact if proper access controls and file permissions prevent unauthorized administrator account creation.
🎯 Exploit Status
Exploitation requires administrator credentials but is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.13.5 and later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/bit-form/tags/2.13.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Bit Form' and click 'Update Now'. 4. Verify version is 2.13.5 or higher.
🔧 Temporary Workarounds
Disable Bit Form Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate bit-form
Restrict Administrator Access
allImplement strict access controls and monitoring for WordPress administrator accounts.
🧯 If You Can't Patch
- Remove administrator access from all non-essential users and implement multi-factor authentication.
- Implement file integrity monitoring to detect unauthorized file deletions.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Bit Form → Version. If version is between 2.0 and 2.13.4 inclusive, the system is vulnerable.Check Version:
wp plugin get bit-form --field=versionVerify Fix Applied:
Confirm Bit Form plugin version is 2.13.5 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file deletion events in web server logs
- Administrator account login from unexpected IP addresses
- POST requests to /wp-admin/admin-ajax.php with 'action=bitforms_icon_remove' parameter
Network Indicators:
- Unusual administrator-level API calls to WordPress admin endpoints
SIEM Query:
source="web_server_logs" AND (uri_path="/wp-admin/admin-ajax.php" AND parameters CONTAINS "bitforms_icon_remove")