CVE-2026-0566
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files to the code-projects CMS 1.0 system via the image parameter in the /admin/edit_posts.php file. This affects all installations of code-projects CMS 1.0 with the vulnerable file accessible. Attackers can potentially upload malicious files to compromise the system.
💻 Affected Systems
- code-projects Content Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Webshell upload allowing persistent backdoor access, defacement, or data exfiltration.
If Mitigated
Limited impact with proper file upload restrictions and web application firewalls in place.
🎯 Exploit Status
Public exploit available on GitHub. Simple file upload manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://code-projects.org/
Restart Required: No
Instructions:
No official patch available. Consider workarounds or migrating to supported software.
🔧 Temporary Workarounds
Restrict file uploads
allImplement strict file type validation and size limits for uploads.
Modify /admin/edit_posts.php to validate file extensions and MIME types
Disable vulnerable endpoint
allTemporarily disable or restrict access to /admin/edit_posts.php.
Add authentication requirement or IP restriction to the file
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block malicious file uploads
- Monitor file upload directories for suspicious files and implement file integrity monitoring
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a non-image file via /admin/edit_posts.php image parameter. If accepted, system is vulnerable.Check Version:
Check CMS version in admin panel or configuration files.Verify Fix Applied:
Test file upload with restricted extensions. Only allowed image types should be accepted.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /admin/edit_posts.php
- Uploads of non-image file types
Network Indicators:
- POST requests to /admin/edit_posts.php with file uploads
- Unusual outbound connections after upload
SIEM Query:
source="web_logs" AND uri="/admin/edit_posts.php" AND method="POST" AND file_upload="true"