CVE-2025-12862
📋 TL;DR
CVE-2025-12862 is an unrestricted file upload vulnerability in projectworlds Online Notes Sharing Platform 1.0. Attackers can upload malicious files via the /dashboard/userprofile.php endpoint, potentially leading to remote code execution. All users running version 1.0 are affected.
💻 Affected Systems
- projectworlds Online Notes Sharing Platform
📦 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
Webshell deployment allowing persistent access, data exfiltration, and further exploitation of the server.
If Mitigated
Limited impact with proper file upload restrictions and web application firewalls in place.
🎯 Exploit Status
Exploit requires authentication to access the userprofile.php endpoint; public proof-of-concept available on GitHub.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available 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.
Web Application Firewall Rule
allBlock requests to /dashboard/userprofile.php containing file upload parameters or suspicious file extensions.
🧯 If You Can't Patch
- Disable or restrict access to the /dashboard/userprofile.php endpoint via network controls or authentication.
- Implement strict file upload policies and store uploaded files outside the web root with proper permissions.
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a file with a malicious extension (e.g., .php) via the userprofile.php endpoint; if successful, the system is vulnerable.Check Version:
Check the platform's version in its configuration files or admin panel; look for version 1.0.Verify Fix Applied:
Test file upload functionality to ensure only allowed file types are accepted and malicious uploads are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /dashboard/userprofile.php, especially with non-image extensions like .php, .exe
Network Indicators:
- HTTP POST requests to /dashboard/userprofile.php with file upload parameters
SIEM Query:
source="web_logs" AND uri="/dashboard/userprofile.php" AND method="POST" AND (file_extension="php" OR file_extension="exe")