A vulnerability, which was classified as problematic, was found in SourceCodester Garage Management System 1.0. Affected is an unknown function of the file /php_action/createUser.php. The manipulation of the argument userName with the input lala<img src="" onerror=alert(1)> leads to cross site scripting. Using CWE to declare the problem leads to CWE-79. The weakness was disclosed 07/29/2022. The advisory is available at github.com. This vulnerability is traded as CVE-2022-2579. It is possible to launch 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 structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project. It is declared as proof-of-concept. The exploit is shared for download at github.com. As 0-day the estimated underground price was around $0-$5k. A possible mitigation has been published even before and not after the disclosure of the vulnerability.