A vulnerability, which was classified as critical, was found in SourceCodester Event Registration System 1.0. Affected is an unknown function. The manipulation of the argument cmd leads to unrestricted upload. Using CWE to declare the problem leads to CWE-434. The weakness was published 11/30/2022. The advisory is available at vuldb.com. This vulnerability is traded as CVE-2022-4232. It is possible to launch the attack remotely. Technical details are available. Furthermore, there is an exploit available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project. It is declared as proof-of-concept. 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.