CVE-2025-11471

7.3 HIGH

📋 TL;DR

This SQL injection vulnerability in SourceCodester Hotel and Lodge Management System 1.0 allows attackers to manipulate database queries through the /edit_customer.php file's ID parameter. Attackers can potentially read, modify, or delete sensitive hotel data including customer information, bookings, and payment details. All deployments of this specific software version are affected.

💻 Affected Systems

Products:
  • SourceCodester Hotel and Lodge Management System
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: The vulnerability exists in the default installation; no special configuration is required for exploitation.

📦 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 customer data (PII), booking information, and potential financial data exposure.

🟢

If Mitigated

Limited impact with proper input validation and database permissions, potentially only error messages or limited data exposure.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit available on GitHub; remote exploitation requires no authentication; simple SQL injection technique.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: https://www.sourcecodester.com/

Restart Required: No

Instructions:

No official patch available. Consider replacing with alternative software or implementing workarounds.

🔧 Temporary Workarounds

Input Validation Filter

all

Add parameter validation to /edit_customer.php to sanitize ID input

Edit /edit_customer.php and add: $id = intval($_GET['ID']); before SQL query

WAF Rule Implementation

all

Block SQL injection patterns targeting /edit_customer.php

Add WAF rule: deny requests to /edit_customer.php with SQL keywords in ID parameter

🧯 If You Can't Patch

  • Isolate the 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 /edit_customer.php?ID=1' with SQL injection payloads and observe database errors

Check Version:

Check software version in admin panel or readme files

Verify Fix Applied:

Test with same payloads and verify no SQL errors or unexpected behavior occurs

📡 Detection & Monitoring

Log Indicators:

  • SQL syntax errors in application logs
  • Multiple failed requests to /edit_customer.php
  • Unusual database query patterns

Network Indicators:

  • HTTP requests to /edit_customer.php with SQL keywords in parameters
  • Unusual database port traffic from web server

SIEM Query:

source=web_logs AND uri_path="/edit_customer.php" AND (param_ID CONTAINS "'" OR param_ID CONTAINS "UNION" OR param_ID CONTAINS "SELECT")

🔗 References

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