CVE-2024-43248
📋 TL;DR
CVE-2024-43248 is an unauthenticated path traversal vulnerability in Bit Form Pro WordPress plugin that allows attackers to delete arbitrary files on the server. This affects all WordPress sites running Bit Form Pro versions up to 2.6.4. Attackers can exploit this without authentication to manipulate or delete critical system files.
💻 Affected Systems
- Bit Form Pro WordPress Plugin
📦 What is this software?
Bit Form by Bitapps
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via deletion of critical files like wp-config.php, leading to site takeover, data loss, or denial of service.
Likely Case
Website defacement, data deletion, or disruption of WordPress functionality through deletion of theme/plugin files.
If Mitigated
Limited impact if file permissions are restrictive and web server runs with minimal privileges.
🎯 Exploit Status
Exploit requires sending crafted HTTP requests to vulnerable endpoints. Public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.5 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/bitformpro/wordpress-bit-form-pro-plugin-2-6-4-unauthenticated-arbitrary-file-deletion-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Bit Form Pro and click 'Update Now'. 4. Verify version is 2.6.5 or higher.
🔧 Temporary Workarounds
Disable Bit Form Pro Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate bitformpro
Web Application Firewall Rule
allBlock requests containing path traversal sequences to Bit Form Pro endpoints.
Add WAF rule: block requests to /wp-content/plugins/bitformpro/* with ../ patterns
🧯 If You Can't Patch
- Implement strict file permissions (chmod 644 for files, 755 for directories)
- Use web application firewall to block path traversal patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Bit Form Pro version. If version ≤ 2.6.4, vulnerable.Check Version:
wp plugin get bitformpro --field=versionVerify Fix Applied:
Verify Bit Form Pro version is 2.6.5 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /wp-content/plugins/bitformpro/ containing ../ patterns
- File deletion events in WordPress uploads or plugin directories
Network Indicators:
- POST/GET requests with file paths containing traversal sequences (../)
SIEM Query:
source="web_server" AND uri="*bitformpro*" AND (uri="*../*" OR post_data="*../*")