CVE-2025-15457
📋 TL;DR
This vulnerability allows remote attackers to bypass authentication in MiniCMS's trash file restore functionality, potentially enabling unauthorized access to administrative features. It affects MiniCMS versions up to 1.8 where the vulnerable component is exposed. Attackers can exploit this without valid credentials to perform actions intended for authenticated users.
💻 Affected Systems
- bg5sbk MiniCMS
📦 What is this software?
Minicms by 1234n
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the MiniCMS instance allowing attackers to modify content, upload malicious files, or gain persistent access to the system.
Likely Case
Unauthorized access to administrative functions leading to content manipulation, defacement, or data exposure.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external exploitation.
🎯 Exploit Status
Exploit details are publicly available and the vulnerability requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - vendor did not respond to disclosure
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a different CMS or implementing workarounds.
🔧 Temporary Workarounds
Restrict access to admin directory
allBlock external access to the /minicms/mc-admin/ directory using web server configuration
# Apache: <Location /minicms/mc-admin> Require all denied </Location>
# Nginx: location /minicms/mc-admin { deny all; }
Remove vulnerable file
linuxDelete or rename the vulnerable post.php file to prevent exploitation
rm /path/to/minicms/mc-admin/post.php
mv /path/to/minicms/mc-admin/post.php /path/to/minicms/mc-admin/post.php.disabled
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the MiniCMS instance
- Monitor for unauthorized access attempts to the admin interface and review logs regularly
🔍 How to Verify
Check if Vulnerable:
Check if MiniCMS version is 1.8 or earlier and if /minicms/mc-admin/post.php exists and is accessibleCheck Version:
Check MiniCMS version in configuration files or admin interfaceVerify Fix Applied:
Verify that access to /minicms/mc-admin/post.php returns 403/404 or that the file has been removed/renamed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /minicms/mc-admin/post.php from unauthorized IPs
- Access to admin functions from non-admin users
Network Indicators:
- HTTP requests to the vulnerable endpoint without authentication headers
- Unusual traffic patterns to the admin interface
SIEM Query:
source="web_server" AND (uri="/minicms/mc-admin/post.php" OR uri="/mc-admin/post.php") AND NOT user="admin"