CVE-2025-5837
📋 TL;DR
A critical SQL injection vulnerability in PHPGurukul Employee Record Management System 1.3 allows remote attackers to execute arbitrary SQL commands via the 'delid' parameter in the /admin/allemployees.php file. This affects all organizations using this specific version of the software. Successful exploitation could lead to data theft, modification, or deletion.
💻 Affected Systems
- PHPGurukul Employee Record Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including theft of sensitive employee records, administrative credentials, and potential system takeover if database privileges allow.
Likely Case
Data exfiltration of employee records, potential privilege escalation to admin accounts, and database manipulation.
If Mitigated
Limited impact with proper input validation and database permission restrictions in place.
🎯 Exploit Status
Exploit requires admin authentication to access the vulnerable endpoint. 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. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries or input validation for the 'delid' parameter in /admin/allemployees.php
Edit /admin/allemployees.php to replace raw SQL with prepared statements
Access Restriction
allRestrict access to the /admin/ directory using web server configuration or authentication
Add .htaccess with 'Deny from all' or implement additional authentication layer
🧯 If You Can't Patch
- Implement WAF rules to block SQL injection patterns targeting the /admin/allemployees.php endpoint
- Isolate the system from internet access and restrict internal network access to authorized users only
🔍 How to Verify
Check if Vulnerable:
Check if /admin/allemployees.php exists and accepts 'delid' parameter. Test with SQL injection payloads like ' OR '1'='1Check Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Test the same SQL injection payloads after implementing fixes to confirm they are blocked📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Unexpected database errors in application logs
Network Indicators:
- HTTP requests to /admin/allemployees.php with SQL keywords in parameters
- Unusual outbound database connections
SIEM Query:
source="web_logs" AND uri="/admin/allemployees.php" AND (param="delid" AND value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "OR")