CVE-2024-22309
📋 TL;DR
This vulnerability allows unauthenticated attackers to perform PHP object injection via deserialization of untrusted data in the QuantumCloud ChatBot with AI WordPress plugin. It affects all WordPress sites running the plugin from any version up to and including 5.1.0. Successful exploitation can lead to remote code execution.
💻 Affected Systems
- QuantumCloud ChatBot with AI WordPress Plugin
📦 What is this software?
Wpbot by Quantumcloud
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and persistent backdoor installation.
Likely Case
Remote code execution allowing attackers to execute arbitrary PHP code, modify files, and gain administrative access to the WordPress site.
If Mitigated
Attack blocked at web application firewall level or plugin disabled, preventing exploitation.
🎯 Exploit Status
Public exploit details available on Patchstack. Attack requires no authentication and uses standard PHP deserialization techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.1 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/chatbot/wordpress-ai-chatbot-plugin-5-1-0-unauthenticated-php-object-injection-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'ChatBot with AI' and check for updates. 4. Update to version 5.1.1 or later. 5. Verify plugin is active and functioning.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate chatbot
Web Application Firewall Rule
linuxBlock requests containing serialized PHP objects targeting the plugin endpoint
ModSecurity rule: SecRule REQUEST_URI "@contains /wp-content/plugins/chatbot/" "chain,id:1001,phase:2,deny,status:403,msg:'Blocking ChatBot exploit attempt'"
SecRule ARGS "@rx (O:\d+:\"[^\"]+\":\d+:{|a:\d+:{|s:\d+:)"
🧯 If You Can't Patch
- Disable the ChatBot with AI plugin immediately
- Implement strict WAF rules to block deserialization attempts and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'ChatBot with AI' version 5.1.0 or earlierCheck Version:
wp plugin get chatbot --field=versionVerify Fix Applied:
Verify plugin version is 5.1.1 or later in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-content/plugins/chatbot/ endpoints with serialized PHP data
- Unexpected PHP errors or warnings in WordPress debug logs
- Unauthorized file modifications in plugin directories
Network Indicators:
- HTTP requests containing serialized PHP objects (O:8:, a:2:, s:4:) to chatbot plugin paths
- Unusual outbound connections from WordPress server post-exploitation
SIEM Query:
source="wordpress.log" AND ("chatbot" AND ("O:\d+:" OR "a:\d+:" OR "s:\d+:"))