CVE-2025-9789
📋 TL;DR
This CVE describes a SQL injection vulnerability in SourceCodester Online Hotel Reservation System 1.0, specifically in the /admin/edituser.php file's userid parameter. Attackers can remotely exploit this to execute arbitrary SQL commands on the database. Organizations using this hotel reservation system are affected.
💻 Affected Systems
- SourceCodester Online Hotel Reservation System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, privilege escalation, authentication bypass, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive guest data (personal information, payment details), modification of reservation records, and potential administrative account takeover.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting the attack surface.
🎯 Exploit Status
Exploit requires access to admin interface; SQL injection via userid parameter is straightforward with available PoC.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Implement workarounds or replace with secure software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to ensure userid parameter contains only expected values (integers).
Modify /admin/edituser.php to validate userid parameter using PHP's filter_var() with FILTER_VALIDATE_INT
Parameterized Queries Implementation
allReplace direct SQL concatenation with prepared statements using PDO or MySQLi.
Rewrite SQL queries in edituser.php to use prepared statements with bound parameters
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns targeting the /admin/edituser.php endpoint.
- Restrict network access to the admin interface using IP whitelisting and require multi-factor authentication for admin accounts.
🔍 How to Verify
Check if Vulnerable:
Test the /admin/edituser.php endpoint with SQL injection payloads in the userid parameter (e.g., userid=1' OR '1'='1).Check Version:
Check system documentation or source code for version information; typically found in readme files or configuration.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and that input validation/prepared statements are implemented.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts followed by SQL injection patterns
- Unexpected database queries from admin interface
Network Indicators:
- HTTP requests to /admin/edituser.php containing SQL keywords (UNION, SELECT, etc.) in parameters
- Abnormal traffic patterns to admin endpoints
SIEM Query:
source="web_server_logs" AND uri="/admin/edituser.php" AND (userid="*'*" OR userid="*UNION*" OR userid="*SELECT*")🔗 References
- https://github.com/YoSheep/cve/blob/main/Online%20Hotel%20Reservation%20System%20In%20PHP%20With%20Source%20Code%20-%20SQL%20Injection%20in%20edituser.php.md
- https://vuldb.com/?ctiid.322104
- https://vuldb.com/?id.322104
- https://vuldb.com/?submit.641029
- https://vuldb.com/?submit.643116
- https://vuldb.com/?submit.643146
- https://www.sourcecodester.com/
- https://github.com/YoSheep/cve/blob/main/Online%20Hotel%20Reservation%20System%20In%20PHP%20With%20Source%20Code%20-%20SQL%20Injection%20in%20edituser.php.md
