CVE-2026-0547
📋 TL;DR
This vulnerability allows remote attackers to upload arbitrary files via the photo parameter in the student registration page of PHPGurukul Online Course Registration. Attackers could upload malicious files like web shells to compromise the server. All systems running affected versions are vulnerable.
💻 Affected Systems
- PHPGurukul Online Course Registration
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
Attackers upload web shells to gain persistent access, deface websites, or steal sensitive student data.
If Mitigated
File uploads are blocked or properly validated, preventing malicious file execution.
🎯 Exploit Status
Exploit details are publicly available. Attack requires access to the student registration/admin interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates or consider alternative solutions.
🔧 Temporary Workarounds
Implement File Upload Validation
allAdd server-side validation to restrict uploaded file types to images only and implement proper file extension filtering.
Modify /admin/edit-student-profile.php to add file type validation
Disable Student Registration
allTemporarily disable the student registration functionality until a fix is available.
Comment out or remove registration form elements
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block malicious file uploads
- Restrict access to the /admin/ directory to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a non-image file (e.g., .php, .exe) via the photo upload feature in /admin/edit-student-profile.phpCheck Version:
Check the software version in the application's admin panel or configuration filesVerify Fix Applied:
Test that only allowed image file types can be uploaded and malicious files are rejected📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /admin/edit-student-profile.php
- Uploads of non-image file types
- Large number of upload attempts
Network Indicators:
- POST requests to /admin/edit-student-profile.php with file uploads
- Unusual traffic patterns to admin pages
SIEM Query:
source="web_server" AND uri="/admin/edit-student-profile.php" AND method="POST" AND file_upload="true"