CVE-2025-7436
📋 TL;DR
This critical SQL injection vulnerability in Campcodes Online Recruitment Management System 1.0 allows remote attackers to execute arbitrary SQL commands via the ID parameter in the /admin/ajax.php endpoint. Attackers can potentially access, modify, or delete database contents. All deployments of version 1.0 are affected.
💻 Affected Systems
- Campcodes Online Recruitment 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 via SQL injection to RCE chaining
Likely Case
Unauthorized access to sensitive recruitment data (applicant info, job postings, admin credentials), data manipulation, or denial of service
If Mitigated
Limited impact if proper input validation and WAF rules block malicious SQL payloads
🎯 Exploit Status
Exploit requires admin authentication; SQL injection is straightforward with publicly available payloads
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.campcodes.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 proper input validation for the ID parameter in ajax.php
Modify /admin/ajax.php to use prepared statements: $stmt = $conn->prepare('DELETE FROM vacancies WHERE id = ?'); $stmt->bind_param('i', $_GET['ID']);
Web Application Firewall Rules
allBlock SQL injection patterns targeting the vulnerable endpoint
Add WAF rule: deny requests to /admin/ajax.php?action=delete_vacancy with SQL keywords in ID parameter
🧯 If You Can't Patch
- Restrict access to /admin/ directory to trusted IP addresses only
- Disable or remove the vulnerable ajax.php file if functionality is not required
🔍 How to Verify
Check if Vulnerable:
Test with SQL injection payload: /admin/ajax.php?action=delete_vacancy&ID=1' OR '1'='1Check Version:
Check system version in admin panel or readme filesVerify Fix Applied:
Verify that SQL injection payloads no longer execute and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple DELETE requests to /admin/ajax.php with suspicious ID parameters
Network Indicators:
- HTTP requests containing SQL keywords (UNION, SELECT, etc.) in ID parameter
SIEM Query:
source="web_logs" AND uri="/admin/ajax.php" AND (query="*UNION*" OR query="*SELECT*" OR query="*OR '1'='1*")