A vulnerability was found in SourceCodester Theme Park Ticketing System 1.0. It has been classified as critical. This affects an unknown part of the file print_ticket.php of the component GET Parameter Handler. The manipulation of the argument id leads to sql injection. The CWE definition for the vulnerability is CWE-89. The weakness was released 05/24/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-2865. It is possible to initiate the attack remotely. Technical details are available. Furthermore, there is an exploit available. The exploit has been disclosed to the public and may be used. The price for an exploit might be around USD $0-$5k at the moment. MITRE ATT&CK project uses the attack technique T1505 for this issue. It is declared as proof-of-concept. The exploit is shared for download at github.com. We expect the 0-day to have been worth approximately $0-$5k. A possible mitigation has been published even before and not after the disclosure of the vulnerability.