CVE-2025-57147
📋 TL;DR
A SQL injection vulnerability in phpgurukul Complaint Management System 2.0 allows attackers to execute arbitrary SQL commands through the registration form. This affects all users of the vulnerable software version and could lead to data theft, manipulation, or system compromise.
💻 Affected Systems
- phpgurukul Complaint Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, modification, deletion, or potential remote code execution if database permissions allow.
Likely Case
Unauthorized access to sensitive complaint data, user information theft, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection.
🎯 Exploit Status
SQL injection via registration form parameters (fullname, email, contactno) requires no authentication
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
1. Check vendor website for updates
2. Apply parameterized queries to user/registration.php
3. Implement input validation for all user inputs
4. Sanitize fullname, email, and contactno parameters
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation and sanitization for registration form inputs
Edit user/registration.php to add input validation functions
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns
Add SQL injection detection rules to WAF configuration
🧯 If You Can't Patch
- Disable user registration functionality if not required
- Implement network segmentation to isolate the application from sensitive databases
🔍 How to Verify
Check if Vulnerable:
Test registration form with SQL injection payloads in fullname, email, or contactno fieldsCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify parameterized queries are implemented and test with SQL injection payloads📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed registration attempts with special characters
- Registration attempts from suspicious IPs
Network Indicators:
- HTTP POST requests to registration.php with SQL keywords
- Unusual database traffic patterns
SIEM Query:
source="web_logs" AND uri="/user/registration.php" AND (body CONTAINS "UNION" OR body CONTAINS "SELECT" OR body CONTAINS "INSERT" OR body CONTAINS "DELETE")