Description
Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | UmbracoCMS.Core | <= 8.5.3 | — | GHSA-h68c-4jh3-cp9j |