CVE-2025-4073
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Student Record System 3.20 allows attackers to manipulate database queries through the change-password.php file. Remote attackers can potentially access, modify, or delete sensitive student records and system data. All users running version 3.20 are affected.
💻 Affected Systems
- PHPGurukul Student Record System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, system takeover, or destruction of all student records and administrative data
Likely Case
Unauthorized access to sensitive student information, grade manipulation, or credential theft
If Mitigated
Limited impact with proper input validation and database permissions restricting damage scope
🎯 Exploit Status
Exploit requires authentication to access change-password.php, but SQL injection is straightforward once authenticated
🛠️ 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 software.
🔧 Temporary Workarounds
Input Validation Filter
allAdd parameterized queries and input validation to change-password.php
Edit /change-password.php to use prepared statements instead of direct SQL concatenation
WAF Rule
allBlock SQL injection patterns in change-password.php requests
Add WAF rule: deny requests to change-password.php containing SQL keywords like UNION, SELECT, INSERT, DELETE, DROP, OR 1=1
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict access controls
- Implement database monitoring for unusual query patterns on student record tables
🔍 How to Verify
Check if Vulnerable:
Check if /change-password.php exists and version is 3.20 in system configurationCheck Version:
Check system documentation or admin panel for version informationVerify Fix Applied:
Test change-password.php with SQL injection payloads to confirm they're blocked📡 Detection & Monitoring
Log Indicators:
- Multiple failed password change attempts with SQL keywords in parameters
- Unusual database queries from web application user
Network Indicators:
- POST requests to change-password.php containing SQL injection patterns
SIEM Query:
source="web_logs" AND uri="/change-password.php" AND (request_body CONTAINS "UNION" OR request_body CONTAINS "SELECT" OR request_body CONTAINS "OR 1=1")