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.
{
"github_reviewed_at": "2023-07-13T22:32:02Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"severity": "MODERATE",
"nvd_published_at": "2020-12-30T16:15:00Z"
}