A vulnerability classified as critical was found in SourceCodester Online Tours & Travels Management System 1.0. Affected by this vulnerability is an unknown functionality of the file admin/disapprove_user.php. The manipulation of the argument id leads to sql injection. The CWE definition for the vulnerability is CWE-89. The weakness was released 01/27/2023. The advisory is shared at github.com. This vulnerability is known as CVE-2023-0532. The attack can be launched 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. It is possible to download the exploit 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.