CVE-2025-11055
📋 TL;DR
This vulnerability allows remote attackers to execute SQL injection attacks against SourceCodester Online Hotel Reservation System 1.0 via the 'address' parameter in the /admin/updateaddress.php file. Attackers can potentially read, modify, or delete database content. All installations of version 1.0 are affected.
💻 Affected Systems
- SourceCodester Online Hotel Reservation System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including credential theft, data exfiltration, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, modification of reservation data, and potential privilege escalation to admin accounts.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Exploit requires admin authentication to access the vulnerable endpoint. SQL injection payloads are publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider implementing input validation and parameterized queries in the source code.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Access Restriction
linuxRestrict access to /admin/updateaddress.php 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 strict input validation for the 'address' parameter using allowlists.
- Migrate to a different hotel reservation system with active security support.
🔍 How to Verify
Check if Vulnerable:
Test the /admin/updateaddress.php endpoint with SQL injection payloads in the 'address' parameter while authenticated as admin.Check Version:
Check the system version in the admin panel or by examining the source code files for version markers.Verify Fix Applied:
Verify that SQL injection payloads no longer execute and return error messages or are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by access to /admin/updateaddress.php
- HTTP requests with SQL keywords in parameters
Network Indicators:
- HTTP POST requests to /admin/updateaddress.php containing SQL injection patterns
SIEM Query:
source="web_logs" AND uri="/admin/updateaddress.php" AND (param="address" AND value MATCHES "(?i)(union|select|insert|delete|update|drop|--|#|;)")