ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 238, ClipBucket V5 allows unauthenticated attackers to change the template directory via a directory traversal, which results in a denial of service.
https://github.com/MacWarrior/clipbucket-v5/security/advisories/GHSA-ffhj-hprx-7qvr
https://github.com/MacWarrior/clipbucket-v5/commit/75d663f010cd8569eb9e278f030838174fb30188