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MEDIUM · 4.6

CVE-2026-46609

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 ou...

Vulnerability Description

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 Score

4.6

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
UmbracoUmbraco Cms>= 14.0.0, < 17.4.0

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-46609?

CVE-2026-46609 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 ou...

How severe is CVE-2026-46609?

CVE-2026-46609 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-46609?

Check the references section above for vendor advisories and patch information. Affected products include: Umbraco Umbraco Cms.