CVE-2024-6846
📋 TL;DR
The Chatbot with ChatGPT WordPress plugin before version 2.4.5 has improper access control on certain REST API endpoints. This allows unauthenticated attackers to delete error logs and chat logs, potentially covering their tracks after other attacks. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Chatbot with ChatGPT WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers purge logs to hide evidence of successful attacks like data exfiltration or privilege escalation, making incident response and forensic investigation significantly more difficult.
Likely Case
Attackers delete chat logs containing sensitive user conversations or remove error logs that could reveal system weaknesses, disrupting operational monitoring.
If Mitigated
With proper logging redundancy and external log aggregation, the impact is limited to temporary loss of plugin-specific logs without affecting overall security monitoring.
🎯 Exploit Status
Simple HTTP requests to specific REST endpoints can trigger the vulnerability without authentication. No special tools or skills required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.5
Vendor Advisory: https://wpscan.com/vulnerability/d48fdab3-669c-4870-a2f9-6c39a7c25fd8/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Chatbot with ChatGPT' plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 2.4.5+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable REST endpoints
allBlock access to the specific REST API routes that allow log purging
Add to .htaccess: RewriteRule ^wp-json/chatbot-with-chatgpt/v1/purge-logs - [F,L]
Add to nginx config: location ~* ^/wp-json/chatbot-with-chatgpt/v1/purge-logs { return 403; }
Deactivate plugin
allTemporarily disable the plugin until patched
wp plugin deactivate chatbot-with-chatgpt
🧯 If You Can't Patch
- Implement external log aggregation to capture logs before they can be purged
- Restrict access to WordPress REST API endpoints using web application firewall rules
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin panel under Plugins → Installed Plugins. If version is below 2.4.5, the site is vulnerable.Check Version:
wp plugin get chatbot-with-chatgpt --field=versionVerify Fix Applied:
Confirm plugin version is 2.4.5 or higher. Test by attempting to access /wp-json/chatbot-with-chatgpt/v1/purge-logs endpoint without authentication - should return 403 or 404.📡 Detection & Monitoring
Log Indicators:
- HTTP 200 responses to POST /wp-json/chatbot-with-chatgpt/v1/purge-logs from unauthenticated IPs
- Sudden disappearance of plugin-specific log entries
Network Indicators:
- Unusual volume of requests to WordPress REST API endpoints from external IPs
- POST requests to /wp-json/chatbot-with-chatgpt/v1/* without authentication headers
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-json/chatbot-with-chatgpt/v1/purge-logs" OR uri_path="/wp-json/chatbot-with-chatgpt/v1/delete-logs") AND http_status=200 AND NOT user_agent="WordPress/*"