GHSA-95qr-67rx-9pgh
Umbraco CMS vulnerable to stored XSS
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| NuGet | UmbracoCms.Core | <= 8.9.1 | no fix listed |
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.