CVE-2025-4249
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul e-Diary Management System 1.0 allows attackers to manipulate database queries through the /manage-categories.php file. Remote attackers can potentially access, modify, or delete sensitive data in the database. Organizations using this specific version of the e-Diary system are affected.
💻 Affected Systems
- PHPGurukul e-Diary Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to remote code execution.
Likely Case
Unauthorized access to sensitive student/teacher data, grade manipulation, or system disruption through database manipulation.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting damage scope.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easy to weaponize. Authentication status unclear from available information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. If no patch available, implement workarounds immediately. 3. Consider migrating to alternative software if vendor is unresponsive.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd proper input validation and parameterized queries to the /manage-categories.php file
Modify PHP code to use prepared statements: $stmt = $conn->prepare('SELECT * FROM categories WHERE id = ?'); $stmt->bind_param('i', $_GET['ID']);
Access Restriction
linuxRestrict access to the vulnerable file using web server configuration
Apache: <Location "/manage-categories.php"> Require ip 192.168.1.0/24 </Location>
Nginx: location = /manage-categories.php { deny all; }
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with SQL injection rules
- Isolate the system in a separate network segment with strict access controls
🔍 How to Verify
Check if Vulnerable:
Test the /manage-categories.php endpoint with SQL injection payloads like: /manage-categories.php?ID=1' OR '1'='1Check Version:
Check the software version in the admin panel or readme filesVerify Fix Applied:
Verify that SQL injection payloads no longer work and that parameterized queries are implemented in the source code📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple requests to /manage-categories.php with SQL-like parameters
- Database connection errors or unusual query patterns
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.) to the vulnerable endpoint
- Unusual database traffic patterns from web server
SIEM Query:
source="web_logs" AND uri="/manage-categories.php" AND (query="*'*" OR query="*SELECT*" OR query="*UNION*")