CVE-2025-5656
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Complaint Management System 2.0 allows remote attackers to execute arbitrary SQL commands via the description parameter in /admin/edit-category.php. This can lead to data theft, manipulation, or complete system compromise. Organizations using this software with internet-facing installations are at immediate risk.
💻 Affected Systems
- PHPGurukul Complaint Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, privilege escalation to admin, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive complaint data, user information theft, and potential manipulation of system records.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable by attackers with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement parameterized queries and input validation for the description parameter in edit-category.php
Modify /admin/edit-category.php to use prepared statements with PDO or mysqli
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns targeting the description parameter
Add WAF rule: Block requests containing SQL keywords in description parameter
🧯 If You Can't Patch
- Isolate the system from the internet and restrict access to trusted networks only
- Implement strict database permissions, limiting application database user to minimum required privileges
🔍 How to Verify
Check if Vulnerable:
Test the /admin/edit-category.php endpoint with SQL injection payloads in the description parameterCheck Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and parameterized queries are implemented📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts to admin panel
- Unexpected database queries from web server
Network Indicators:
- HTTP POST requests to /admin/edit-category.php with SQL keywords in parameters
- Unusual outbound database connections
SIEM Query:
source="web_logs" AND uri="/admin/edit-category.php" AND (description CONTAINS "UNION" OR description CONTAINS "SELECT" OR description CONTAINS "OR 1=1")