CVE-2025-6865
📋 TL;DR
This Cross-Site Request Forgery (CSRF) vulnerability in DaiCuo CMS allows attackers to trick authenticated administrators into performing unintended actions via the /admin.php/addon/index endpoint. Attackers can exploit this remotely to potentially modify system settings or install malicious addons. All users running DaiCuo CMS versions up to 1.3.13 are affected.
💻 Affected Systems
- DaiCuo CMS
📦 What is this software?
Daicuo by Daicuo
⚠️ Risk & Real-World Impact
Worst Case
Attackers could install malicious addons, modify system configurations, or perform administrative actions leading to complete system compromise.
Likely Case
Attackers trick administrators into performing unintended administrative actions like installing untrusted addons or changing system settings.
If Mitigated
With proper CSRF protections, the vulnerability is effectively neutralized with minimal impact.
🎯 Exploit Status
Exploit requires social engineering to trick authenticated administrators into clicking malicious links.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a version beyond 1.3.13 if available, or implement workarounds.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF token validation to the /admin.php/addon/index endpoint
Modify admin.php to include and validate CSRF tokens for all POST requests
Restrict Admin Access
allLimit admin panel access to trusted IP addresses only
Add IP whitelisting to .htaccess or web server configuration for /admin.php
🧯 If You Can't Patch
- Implement SameSite cookie attributes for session cookies
- Use browser extensions that block CSRF attempts
🔍 How to Verify
Check if Vulnerable:
Check if your DaiCuo CMS version is 1.3.13 or earlier and if /admin.php/addon/index endpoint lacks CSRF protectionCheck Version:
Check DaiCuo CMS version in admin panel or configuration filesVerify Fix Applied:
Test that CSRF tokens are required for all POST requests to /admin.php/addon/index📡 Detection & Monitoring
Log Indicators:
- Multiple failed CSRF token validations
- Unusual admin actions from unexpected IPs
Network Indicators:
- POST requests to /admin.php/addon/index without referrer validation
SIEM Query:
source_ip NOT IN admin_whitelist AND uri_path='/admin.php/addon/index' AND http_method='POST'