CVE-2026-46609

Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog

CVSS 4.6 MEDIUMEPSS 0.1%CWE-79

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 4.6EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

10 jun 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Productos afectados

umbraco · Umbraco-CMS

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Referencias

https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-vr9v-27gg-qgx4