CVE-2023-1681
📋 TL;DR
This vulnerability in Xunrui CMS 4.61 allows remote attackers to access sensitive information through the /config/myfield/test.php file. It affects all systems running the vulnerable version of Xunrui CMS. The information disclosure could expose configuration data or other sensitive details.
💻 Affected Systems
- Xunrui CMS
📦 What is this software?
Xunruicms by Xunruicms
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain sensitive configuration data, database credentials, or system information leading to further compromise.
Likely Case
Unauthorized access to configuration files revealing system paths, settings, or other non-critical information.
If Mitigated
Limited exposure of non-sensitive information with proper access controls and monitoring.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Remove vulnerable file
linuxDelete or restrict access to the vulnerable test.php file
rm /config/myfield/test.php
chmod 000 /config/myfield/test.php
Access restriction
allBlock access to the vulnerable path using web server configuration
# Apache: <Location "/config/myfield/test.php"> Require all denied </Location>
# Nginx: location ~ /config/myfield/test\.php { deny all; }
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the CMS
- Deploy WAF rules to block requests to /config/myfield/test.php
🔍 How to Verify
Check if Vulnerable:
Check if /config/myfield/test.php exists and is accessible via HTTP request
Check Version:
Check CMS version in admin panel or configuration files
Verify Fix Applied:
Verify the file is no longer accessible via HTTP requests
📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /config/myfield/test.php
- Unusual access patterns to configuration directories
Network Indicators:
- HTTP GET requests to /config/myfield/test.php
SIEM Query:
url.path:"/config/myfield/test.php" AND http.method:GET