CVE-2025-12873
📋 TL;DR
This SQL injection vulnerability in Campcodes School File Management 1.0 allows attackers to manipulate database queries through the user_id parameter in /admin/update_user.php. Remote attackers can potentially access, modify, or delete sensitive data in the database. All users running the vulnerable version are affected.
💻 Affected Systems
- Campcodes School File Management
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including user credentials, sensitive student data, file system access, and potential server takeover.
Likely Case
Unauthorized data access and modification, credential theft, and potential privilege escalation.
If Mitigated
Limited data exposure if proper input validation and database permissions are in place.
🎯 Exploit Status
Exploit requires admin access but SQL injection is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.campcodes.com/
Restart Required: No
Instructions:
1. Check vendor website for updates
2. Apply parameterized queries to user_id input
3. Implement proper input validation and sanitization
🔧 Temporary Workarounds
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests
Access Restriction
linuxRestrict access to /admin/ directory to trusted IP addresses only
# Apache: Order deny,allow
Deny from all
Allow from 192.168.1.0/24
# Nginx: allow 192.168.1.0/24;
deny all;
🧯 If You Can't Patch
- Implement parameterized queries in update_user.php
- Add input validation to reject non-numeric user_id values
🔍 How to Verify
Check if Vulnerable:
Test user_id parameter with SQL injection payloads like ' OR '1'='1Check Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify parameterized queries are implemented and input validation rejects SQL payloads📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database queries from admin interface
- Multiple failed login attempts followed by SQL payloads
Network Indicators:
- HTTP POST requests to /admin/update_user.php with SQL keywords
- Unusual database connection patterns
SIEM Query:
source="web_server.log" AND uri="/admin/update_user.php" AND (user_id="' OR" OR user_id="UNION" OR user_id="SELECT")