CVE-2025-4111
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Pre-School Enrollment System 1.0 allows remote attackers to manipulate database queries via the Status parameter in /admin/visitor-details.php. Attackers can potentially read, modify, or delete sensitive data from the database. Organizations using this specific version of the enrollment system are affected.
💻 Affected Systems
- PHPGurukul Pre-School Enrollment System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to execute arbitrary commands.
Likely Case
Unauthorized access to sensitive student, parent, and administrative data including personal information, enrollment records, and potentially authentication credentials.
If Mitigated
Limited data exposure if proper input validation and database permissions are enforced, though the vulnerability remains exploitable.
🎯 Exploit Status
Exploit details are publicly disclosed 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 implementing input validation and parameterized queries as workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation for the Status parameter to only accept expected values and sanitize all user inputs.
Modify /admin/visitor-details.php to validate Status parameter using whitelisting approach
Web Application Firewall (WAF) Rules
allDeploy WAF rules to block SQL injection patterns targeting the Status parameter.
Add WAF rule: Block requests containing SQL keywords in Status parameter
🧯 If You Can't Patch
- Restrict access to /admin/visitor-details.php endpoint using IP whitelisting or authentication requirements
- Implement database-level protections: Use least privilege database accounts and enable SQL injection prevention features
🔍 How to Verify
Check if Vulnerable:
Test the /admin/visitor-details.php endpoint with SQL injection payloads in the Status parameter (e.g., Status=1' OR '1'='1). Monitor for database errors or unexpected responses.Check Version:
Check the system version in the application interface or configuration files, or examine the source code for version indicators.Verify Fix Applied:
After implementing fixes, retest with the same SQL injection payloads to confirm they are blocked or properly handled without database errors.📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from web server logs
- SQL syntax errors in application logs
- Multiple failed login attempts or parameter manipulation in /admin/visitor-details.php
Network Indicators:
- HTTP requests to /admin/visitor-details.php with SQL keywords in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/admin/visitor-details.php" AND (param="Status" AND value MATCHES "(?i)(union|select|insert|update|delete|drop|or|and|'|--|#)")