Pankass

**Name of the Vulnerable Software and Affected Versions** MarsCTF version 1.2.1 **Description** The issue is related to an arbitrary file upload vulnerability in the interface for uploading attachments in the background. This allows for potential malicious file uploads. **Recommendations** For MarsCTF version 1.2.1, consider restricting access to the attachment upload interface in the background until a fix is available. As a temporary workaround, disabling the file upload functionality can help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.