Admidio is an open-source user management solution. Prior to version 4.3.12, an unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server. Version 4.3.12 fixes this issue.
- https://github.com/Admidio/admidio/security/advisories/GHSA-7c4c-749j-pfp2
No PoCs found on GitHub currently.