CVE-2023-50258

Summary

CVE-2023-50258 is a serious vulnerability affecting Medusa, an automatic video library manager for TV shows, prior to version 1.0.19. The issue involves unauthenticated blind server-side request forgery (SSRF). This vulnerability arises from the `testDiscord` request handler in `medusa/server/web/home/handler.py`, which fails to validate user-controlled `discord_webhook` data. Consequently, malicious users can manipulate this input and pass it on to various methods, including `notifiers.discord_notifier.test_notify`, `_notify_discord`, and `_send_discord_msg`. Eventually, a POST request is sent to a user-controlled URL, leading to a blind server-side request forgery. This flaw enables attackers to craft POST requests on behalf of the Medusa server, potentially putting sensitive data at risk. The latest version, 1.0.19, includes a fix to address this issue.

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