CVE-2025-4926
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files to the PHPGurukul Car Rental Project 1.0 system via the /admin/post-avehical.php endpoint. Attackers can exploit this to upload malicious files like webshells, potentially gaining unauthorized access or control. Organizations using PHPGurukul Car Rental Project 1.0 are affected.
💻 Affected Systems
- PHPGurukul Car Rental Project
📦 What is this software?
Car Rental Portal by Phpgurukul
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via webshell upload leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Unauthorized file upload leading to webshell installation, allowing attackers to execute arbitrary commands on the server.
If Mitigated
File upload attempts are blocked or logged, preventing successful exploitation while maintaining system integrity.
🎯 Exploit Status
Exploit details are publicly disclosed, making it easy for attackers to weaponize. No authentication is required to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Consider workarounds or migrating to a different solution.
🔧 Temporary Workarounds
Restrict File Upload Types
allModify the post-avehical.php file to validate file extensions and MIME types before allowing uploads.
Edit /admin/post-avehical.php to add file validation logic
Disable Vulnerable Endpoint
allTemporarily disable or restrict access to the /admin/post-avehical.php file.
Rename /admin/post-avehical.php to /admin/post-avehical.php.disabled
Or configure web server to block access to this file
🧯 If You Can't Patch
- Implement strict file upload validation at the web application firewall (WAF) level
- Monitor and alert on any file upload attempts to the vulnerable endpoint
🔍 How to Verify
Check if Vulnerable:
Check if /admin/post-avehical.php exists and accepts file uploads without proper validation. Test by attempting to upload a file with a disallowed extension.Check Version:
Check project documentation or configuration files for version information. No standard command available.Verify Fix Applied:
Attempt to upload a malicious file (e.g., .php file) to /admin/post-avehical.php. The upload should be rejected or properly validated.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /admin/post-avehical.php with file uploads
- Uploads of files with suspicious extensions (.php, .jsp, .asp)
Network Indicators:
- Unusual outbound connections from the web server following file uploads
- HTTP requests to known malicious domains from the server
SIEM Query:
source="web_server" AND (url="/admin/post-avehical.php" AND method="POST" AND content_type="multipart/form-data")