Description
A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Umbraco CMS | <= 8.9.1 or current (unfixed) | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | UmbracoCms.Core | <= 8.9.1 | — | GHSA-95qr-67rx-9pgh |