CVE-2025-12201
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files through the image parameter in the User Management Interface of ajayrandhawa User-Management-PHP-MYSQL. This affects all deployments using versions up to fedcf58797bf2791591606f7b61fdad99ad8bff1. Attackers can exploit this to upload malicious files like webshells.
💻 Affected Systems
- ajayrandhawa User-Management-PHP-MYSQL
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via webshell upload leading to remote code execution, data theft, and lateral movement.
Likely Case
Unauthorized file upload leading to defacement, malware distribution, or limited server access.
If Mitigated
File upload blocked or restricted to safe types only, preventing exploitation.
🎯 Exploit Status
Exploit details available in public documentation. Attack requires access to user management interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - vendor unresponsive
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Implement file upload validation
PHPAdd server-side validation to restrict uploaded files to specific safe extensions and verify file content.
Modify /admin/edit-user.php to include: $allowed_extensions = ['jpg', 'jpeg', 'png', 'gif']; $file_extension = strtolower(pathinfo($_FILES['image']['name'], PATHINFO_EXTENSION)); if(!in_array($file_extension, $allowed_extensions)) { die('Invalid file type'); }
Restrict upload directory permissions
LinuxSet upload directory to prevent execution of uploaded files.
chmod 644 /path/to/upload/directory/*
chown www-data:www-data /path/to/upload/directory/
🧯 If You Can't Patch
- Disable the user management interface or restrict access to trusted IP addresses only.
- Implement a web application firewall (WAF) with file upload protection rules.
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a file with a malicious extension (e.g., .php, .exe) through the /admin/edit-user.php interface.Check Version:
Check git commit hash: git log --oneline -1Verify Fix Applied:
Test that only allowed file types (images) can be uploaded and that uploaded files cannot be executed.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /admin/edit-user.php
- Uploads of non-image file types
- Large number of upload requests
Network Indicators:
- POST requests to /admin/edit-user.php with file uploads
- Subsequent requests to uploaded files with executable extensions
SIEM Query:
source="web_server" AND (uri="/admin/edit-user.php" AND method="POST" AND content_type LIKE "%multipart/form-data%")