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Arbitrary file creation through media attachments on Mastodon

CVE-2023-36460 is a Mastodon vulnerability where you can send a toot which makes a webshell on instances that process said toot.

Edit: it's already fixed, that's why it was disclosed on GitHub.

The security advisory: https://github.com/mastodon/mastodon/security/advisories/GHSA-9928-3cp5-93fm

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