CVE-2025-13273
📋 TL;DR
CVE-2025-13273 is a SQL injection vulnerability in Campcodes School Fees Payment Management System 1.0 that allows remote attackers to execute arbitrary SQL commands via the ID parameter in the /ajax.php?action=delete_payment endpoint. This affects all installations of version 1.0 that have this functionality exposed. Attackers can potentially read, modify, or delete database content.
💻 Affected Systems
- Campcodes School Fees Payment Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive student/payment data theft, system takeover via privilege escalation, and potential lateral movement to other systems.
Likely Case
Data exfiltration of payment records, student information, and administrative credentials leading to financial fraud and privacy violations.
If Mitigated
Limited impact if database permissions are properly restricted, but still potential for data leakage from accessible tables.
🎯 Exploit Status
Exploit details are publicly available on GitHub. The vulnerability requires minimal technical skill to exploit as it's a straightforward SQL injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.campcodes.com/
Restart Required: No
Instructions:
No official patch available. Contact vendor for updated version. If unavailable, implement workarounds immediately.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block SQL injection patterns targeting the /ajax.php endpoint with delete_payment action.
Input Validation Filter
linuxAdd input validation to sanitize the ID parameter before processing in the PHP code.
// Example PHP input validation
$id = filter_var($_GET['ID'], FILTER_VALIDATE_INT);
if ($id === false) { die('Invalid input'); }
🧯 If You Can't Patch
- Block external access to /ajax.php endpoint at network perimeter or web server level
- Implement strict database user permissions with read-only access where possible
🔍 How to Verify
Check if Vulnerable:
Test the endpoint with SQL injection payloads: /ajax.php?action=delete_payment&ID=1' OR '1'='1Check Version:
Check application version in admin panel or readme files. No standard command available.Verify Fix Applied:
Verify that SQL injection payloads no longer work and return proper error handling or validation messages.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple requests to /ajax.php with suspicious ID parameters
- Database query errors containing single quotes or SQL keywords
Network Indicators:
- HTTP requests with SQL injection patterns in URL parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_server.log" AND (url="*ajax.php*delete_payment*" AND (param="*'*" OR param="*OR*" OR param="*UNION*"))