CVE-2025-2473
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Company Visitor Management System 2.0 allows attackers to manipulate database queries through the username parameter during sign-in. Attackers can potentially access, modify, or delete sensitive visitor management data. Organizations using this specific version of the software are affected.
💻 Affected Systems
- PHPGurukul Company Visitor 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 through privilege escalation.
Likely Case
Unauthorized access to sensitive visitor records, personal information exposure, and potential authentication bypass.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Exploit details have been publicly disclosed on GitHub. Attack requires access to the sign-in interface but no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: UNKNOWN
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
Check vendor website for security updates. If no patch available, implement workarounds immediately.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the username field in /index.php
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the sign-in endpoint
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only
- Implement network segmentation and strict access controls to limit potential damage
🔍 How to Verify
Check if Vulnerable:
Test the sign-in form with SQL injection payloads in the username field and monitor for database errors or unexpected behaviorCheck Version:
Check system documentation or admin panel for version informationVerify Fix Applied:
Test with the same SQL injection payloads after implementing fixes to ensure they are properly blocked📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from web server logs
- Multiple failed login attempts with SQL syntax in username field
- Database error messages in application logs
Network Indicators:
- HTTP POST requests to /index.php containing SQL keywords in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (url="/index.php" OR url="/signin") AND (username CONTAINS "' OR" OR username CONTAINS "UNION" OR username CONTAINS "SELECT")