CVE-2023-50011
📋 TL;DR
PopojiCMS version 2.0.1 contains a remote command execution vulnerability in the Meta Social field that allows attackers to execute arbitrary commands on the server. This affects all systems running the vulnerable version of PopojiCMS. Attackers can potentially gain full control of affected web servers.
💻 Affected Systems
- PopojiCMS
📦 What is this software?
Popojicms by Popojicms
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise allowing data theft, malware deployment, lateral movement, and persistent backdoor installation.
Likely Case
Web server compromise leading to website defacement, data exfiltration, and use as attack platform.
If Mitigated
Limited impact with proper input validation and security controls in place.
🎯 Exploit Status
Exploit requires authentication to admin panel or vulnerable endpoint. Public exploit code available on Packet Storm.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Consider upgrading to newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation for Meta Social Field
allImplement strict input validation and sanitization for the Meta Social field to prevent command injection.
Modify relevant PHP files to sanitize user input using functions like escapeshellarg() or htmlspecialchars()
WAF Rule Implementation
allDeploy web application firewall rules to detect and block command injection attempts.
Add WAF rules to detect patterns like $(command), `command`, ; command, | command in POST/GET parameters
🧯 If You Can't Patch
- Restrict access to admin panel using IP whitelisting and strong authentication
- Disable or remove the Meta Social field functionality entirely if not required
🔍 How to Verify
Check if Vulnerable:
Check if running PopojiCMS version 2.0.1 and test Meta Social field for command injection.Check Version:
Check PopojiCMS configuration files or admin panel for version informationVerify Fix Applied:
Test Meta Social field with command injection payloads to ensure they are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual commands in web server logs
- Multiple failed login attempts to admin panel
- Suspicious POST requests to Meta Social endpoints
Network Indicators:
- Unusual outbound connections from web server
- Command execution patterns in HTTP requests
SIEM Query:
source="web_logs" AND ("$(command)" OR "`command`" OR "; command" OR "| command") AND uri="*meta*social*"