CVE-2026-46609 — Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog
Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation d…
Published: 2026-06-10 · CVSS: 4.6 · CVSS 3.1
Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7