CVE-2025-69559
📋 TL;DR
Computer Book Store 1.0 contains an unrestricted file upload vulnerability in admin_add.php that allows attackers to upload malicious files. This can lead to remote code execution or complete system compromise. All systems running this software version are affected.
💻 Affected Systems
- code-projects Computer Book Store
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover through remote code execution, data theft, and persistent backdoor installation.
Likely Case
Webshell upload leading to server compromise, data exfiltration, and lateral movement within the network.
If Mitigated
File upload blocked or sanitized, preventing malicious file execution.
🎯 Exploit Status
Simple HTTP POST request with malicious file upload to admin_add.php endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider removing the software or implementing workarounds.
🔧 Temporary Workarounds
Restrict File Upload Types
allImplement server-side validation to only allow specific file extensions (e.g., .jpg, .png) and verify file content.
Modify admin_add.php to include: $allowed_extensions = array('jpg', 'png', 'gif');
Add MIME type verification: $finfo = finfo_open(FILEINFO_MIME_TYPE);
Disable admin_add.php
linuxTemporarily disable or rename the vulnerable file to prevent exploitation.
mv admin_add.php admin_add.php.disabled
Or add: exit('Disabled for security'); at top of file
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block file uploads to admin_add.php
- Restrict network access to the application using firewall rules
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a file with .php extension to /admin_add.php endpoint. If successful, system is vulnerable.Check Version:
Check software version in application interface or configuration files.Verify Fix Applied:
Attempt same upload test - should be rejected with proper error message.📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to admin_add.php with file uploads
- Unusual file creations in upload directories
- .php files in upload folders
Network Indicators:
- POST requests to admin_add.php with multipart/form-data containing executable files
SIEM Query:
source="web_logs" AND uri="/admin_add.php" AND method="POST" AND content_type="multipart/form-data"