CVE-2025-11659
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files to the ProjectsAndPrograms School Management System via the /assets/uploadNotes.php endpoint. This unrestricted file upload flaw can lead to remote code execution or system compromise. All instances running versions up to commit 6b6fae5426044f89c08d0dd101c7fa71f9042a59 are affected.
💻 Affected Systems
- ProjectsAndPrograms School Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system takeover, data exfiltration, ransomware deployment, or creation of persistent backdoors.
Likely Case
Attackers upload web shells to gain unauthorized access, deface websites, or steal sensitive student/administrative data.
If Mitigated
File uploads are blocked or properly validated, preventing malicious file execution while maintaining legitimate functionality.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check for updates from the ProjectsAndPrograms repository. 2. Apply any available patches. 3. Verify the fix by testing file upload functionality.
🔧 Temporary Workarounds
Block uploadNotes.php endpoint
allTemporarily disable the vulnerable upload functionality
# Apache: RewriteRule ^/assets/uploadNotes\.php$ - [F]
# Nginx: location ~ /assets/uploadNotes\.php$ { deny all; }
Implement file upload restrictions
allAdd server-side validation for file types and sizes
# Example PHP validation: $allowed_types = ['pdf', 'doc', 'txt']; $max_size = 5242880;
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with rules to block malicious file uploads
- Restrict access to the /assets/ directory and monitor for suspicious upload attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a file with a malicious extension (e.g., .php, .jsp) to /assets/uploadNotes.php. If accepted without validation, the system is vulnerable.Check Version:
Check the git commit hash or version file in the application directoryVerify Fix Applied:
Test file upload functionality with various file types. Only allowed file types should be accepted, and malicious extensions should be rejected.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /assets/uploadNotes.php
- Uploads of executable file types (.php, .jsp, .exe)
- Multiple failed upload attempts
Network Indicators:
- POST requests to /assets/uploadNotes.php with suspicious file names
- Traffic patterns indicating file upload exploitation
SIEM Query:
source="web_logs" AND uri="/assets/uploadNotes.php" AND (file_extension="php" OR file_extension="jsp" OR file_extension="exe")