CVE-2025-9759
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary SQL commands via the 'lastname' parameter in the Signup function of Campcodes/SourceCodester Courier Management System 1.0. The SQL injection can lead to unauthorized data access, modification, or deletion. Any organization using this specific version of the Courier Management System is affected.
💻 Affected Systems
- Campcodes/SourceCodester Courier Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, and potential remote code execution if database permissions allow.
Likely Case
Unauthorized access to sensitive courier management data, customer information, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and database permission restrictions in place.
🎯 Exploit Status
Exploit details are publicly available on GitHub and vuldb.com. The vulnerability requires no authentication and has simple exploitation vectors.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider implementing input validation and parameterized queries as workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to sanitize the 'lastname' parameter before processing.
Modify /ajax.php to include input sanitization for the lastname parameter
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns in the lastname parameter.
Add WAF rule: Detect and block SQL injection patterns in POST parameters
🧯 If You Can't Patch
- Isolate the Courier Management System from internet access and restrict to internal network only.
- Implement strict network segmentation and monitor all database queries from the application.
🔍 How to Verify
Check if Vulnerable:
Test the Signup function with SQL injection payloads in the lastname parameter and observe database responses.Check Version:
Check software version in admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection attempts in the lastname parameter are properly sanitized or rejected.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed signup attempts with special characters in lastname field
Network Indicators:
- SQL error messages in HTTP responses
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (lastname CONTAINS "' OR" OR lastname CONTAINS "--" OR lastname CONTAINS ";")