CVE-2025-8504
📋 TL;DR
This critical vulnerability in Kitchen Treasure 1.0 allows remote attackers to upload arbitrary files via the photo parameter in userregistration.php. This affects all installations of Kitchen Treasure 1.0 that have the vulnerable file accessible. Attackers can potentially upload malicious files to execute code on the server.
💻 Affected Systems
- Kitchen Treasure
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
Malicious file upload leading to web shell deployment, defacement, or data exfiltration.
If Mitigated
Uploaded files remain isolated without execution capabilities, limiting impact to storage consumption.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Attack requires only web access to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider removing or replacing the software entirely.
🔧 Temporary Workarounds
Restrict file uploads
allImplement strict file type validation and size limits for photo uploads
Disable userregistration.php
linuxTemporarily disable or restrict access to the vulnerable file
mv /path/to/userregistration.php /path/to/userregistration.php.disabled
chmod 000 /path/to/userregistration.php
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block malicious file uploads
- Isolate the application in a restricted network segment with no internet access
🔍 How to Verify
Check if Vulnerable:
Check if /userregistration.php exists and accepts file uploads without proper validation
Check Version:
Check application documentation or source code for version information
Verify Fix Applied:
Attempt to upload a non-image file via the photo parameter - should be rejected
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to userregistration.php
- Large or non-standard file types being uploaded
- Multiple failed upload attempts
Network Indicators:
- POST requests to /userregistration.php with file uploads
- Unusual outbound connections from web server
SIEM Query:
source="web_logs" AND uri="/userregistration.php" AND method="POST" AND (content_type="application/x-php" OR file_extension="php")