A vulnerability was found in SourceCodester Online Tours & Travels Management System 1.0. It has been rated as problematic. This issue affects some unknown processing of the file admin/traveller_details.php. The manipulation of the argument address leads to cross site scripting. The CWE definition for the vulnerability is CWE-79. The weakness was presented 03/14/2023. It is possible to read the advisory at blog.csdn.net. The identification of this vulnerability is CVE-2023-1396. The attack may be initiated remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The pricing for an exploit might be around USD $0-$5k at the moment. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. It is declared as proof-of-concept. The exploit is available at blog.csdn.net. We expect the 0-day to have been worth approximately $0-$5k. A possible mitigation has been published before and not just after the disclosure of the vulnerability.