CVE-2025-9529
📋 TL;DR
Campcodes Payroll Management System 1.0 contains a remote file inclusion vulnerability in the /index.php file's include function. Attackers can manipulate the 'page' parameter to include arbitrary files, potentially leading to remote code execution. This affects all deployments of Campcodes Payroll Management System 1.0.
💻 Affected Systems
- Campcodes Payroll Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise through remote code execution, allowing attackers to steal sensitive payroll data, install malware, or pivot to other systems.
Likely Case
Unauthorized file access leading to information disclosure, configuration file reading, or limited code execution within web server context.
If Mitigated
Limited impact with proper input validation and file inclusion restrictions in place.
🎯 Exploit Status
Exploit details are publicly available on GitHub, making this easily exploitable.
🛠️ 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 payroll systems or implementing workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to restrict the 'page' parameter to allowed values only
Modify /index.php to validate page parameter against whitelist
Web Application Firewall Rule
allBlock requests with suspicious file inclusion patterns in page parameter
WAF rule: block if contains '../' or '://' in page parameter
🧯 If You Can't Patch
- Isolate the system on a separate network segment with strict firewall rules
- Implement network-based intrusion detection to monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Test by accessing /index.php?page=../../../../etc/passwd or similar local file inclusion attempts
Check Version:
Check system documentation or admin interface for version information
Verify Fix Applied:
Verify that file inclusion attempts no longer work and return appropriate error messages
📡 Detection & Monitoring
Log Indicators:
- Unusual file paths in page parameter
- Multiple failed inclusion attempts
- Access to sensitive system files
Network Indicators:
- HTTP requests with suspicious page parameters containing path traversal sequences
SIEM Query:
web_access_logs | where url contains 'page=' and (url contains '../' or url contains '://')