CVE-2025-3536
📋 TL;DR
This vulnerability allows attackers to bypass authorization controls in Tutorials-Website Employee Management System 1.0 by manipulating the ID parameter in the /admin/delete-user.php file. Attackers can remotely delete user accounts without proper authentication. Organizations using this specific employee management system are affected.
💻 Affected Systems
- Tutorials-Website Employee Management System
📦 What is this software?
Employee Management System by Tutorials Website
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of user management functionality allowing unauthorized deletion of all user accounts, including administrators, leading to system unavailability and data loss.
Likely Case
Unauthorized deletion of employee user accounts causing operational disruption and potential data integrity issues.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external exploitation.
🎯 Exploit Status
Exploit details are publicly available and require minimal technical skill to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor has not responded to disclosure. Consider alternative solutions or implement workarounds.
🔧 Temporary Workarounds
Restrict access to admin directory
allBlock external access to the /admin/ directory using web server configuration or firewall rules.
# Apache: Add to .htaccess in admin directory
Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
# Nginx: Add to server block
location /admin/ {
deny all;
allow 192.168.1.0/24;
}
Remove vulnerable file
linuxDelete or rename the vulnerable delete-user.php file if user deletion functionality is not required.
rm /path/to/admin/delete-user.php
mv /path/to/admin/delete-user.php /path/to/admin/delete-user.php.disabled
🧯 If You Can't Patch
- Implement strict network access controls to limit access to the management system to trusted IP addresses only.
- Deploy a web application firewall (WAF) with rules to block unauthorized access to admin functions and monitor for suspicious delete requests.
🔍 How to Verify
Check if Vulnerable:
Check if the file /admin/delete-user.php exists and is accessible via web interface. Attempt to access it without authentication or with improper authorization.Check Version:
Check application documentation or configuration files for version information. No standard command available.Verify Fix Applied:
Test that unauthorized access to /admin/delete-user.php is blocked and proper authentication/authorization is required for user deletion operations.📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /admin/delete-user.php from unauthorized IP addresses
- Multiple DELETE or POST requests to user management endpoints without proper authentication logs
- Failed authentication attempts followed by successful user deletion operations
Network Indicators:
- Unusual traffic patterns to admin endpoints from external sources
- HTTP requests with ID parameter manipulation in delete-user.php
SIEM Query:
source="web_server_logs" AND (uri="/admin/delete-user.php" OR uri="/admin/delete-user") AND (user="-" OR auth_failure="true")