Vulnerability CVE-2023-50258
Published: 2023-12-22

Description:
Medusa is an automatic video library manager for TV shows. Versions prior to 1.0.19 are vulnerable to unauthenticated blind server-side request forgery (SSRF). The `testDiscord` request handler in `medusa/server/web/home/handler.py` does not validate the user-controlled `discord_webhook` variable and passes it to the `notifiers.discord_notifier.test_notify` method, then `_notify_discord` and finally `_send_discord_msg` method, which sends a POST request to the user-controlled URL on line 64 in `/medusa/notifiers/discord.py`, which leads to a blind server-side request forgery. This issue allows for crafting POST requests on behalf of the Medusa server. Version 1.0.19 contains a fix for the issue.

Type:

CWE-918

 References:
https://github.com/pymedusa/Medusa/security/advisories/GHSA-3hph-6586-qv9g
https://github.com/pymedusa/Medusa/blob/3d656652ab277e47689483912ed7fc443e7023e8/medusa/notifiers/discord.py#L64
https://github.com/pymedusa/Medusa/blob/3d656652ab277e47689483912ed7fc443e7023e8/medusa/server/web/home/handler.py#L158
https://github.com/pymedusa/Medusa/releases/tag/v1.0.19
https://securitylab.github.com/advisories/GHSL-2023-201_GHSL-2023-202_Medusa/
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