CVE-2025-9756
📋 TL;DR
This SQL injection vulnerability in PHPGurukul User Management System 1.0 allows attackers to manipulate database queries through the uid parameter in /admin/change-emailid.php. Attackers can potentially access, modify, or delete sensitive user data. Organizations using PHPGurukul User Management System 1.0 are affected.
💻 Affected Systems
- PHPGurukul User Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, or system takeover
Likely Case
Unauthorized access to user data, potential account takeover, and data manipulation
If Mitigated
Limited impact with proper input validation and database permissions
🎯 Exploit Status
Exploit requires admin authentication but SQL injection is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation manually.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize uid parameter before processing
Implement prepared statements with parameterized queries in PHP
Access Restriction
allRestrict access to /admin/change-emailid.php to trusted IP addresses only
Add .htaccess rules or web server configuration to limit access
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with SQL injection rules
- Disable or remove the vulnerable /admin/change-emailid.php file if not needed
- Implement network segmentation to isolate the vulnerable system
🔍 How to Verify
Check if Vulnerable:
Test the uid parameter in /admin/change-emailid.php with SQL injection payloads like ' OR '1'='1Check Version:
Check PHPGurukul User Management System version in admin panel or configuration filesVerify Fix Applied:
Test that SQL injection payloads no longer execute and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Suspicious uid parameter values in web server logs
Network Indicators:
- Unusual database connections from web server
- SQL error messages in HTTP responses
SIEM Query:
source="web_server" AND (uri="/admin/change-emailid.php" AND (param="uid" AND value MATCHES "'|--|;|UNION|SELECT"))