CVE-2024-35239: Umbraco Forms

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Umbraco Commerce is an open source dotnet web forms solution. In affected versions an authenticated user that has access to edit Forms may inject unsafe code into Forms components. This issue can be mitigated by configuring TitleAndDescription:AllowUnsafeHtmlRendering after upgrading to one of the patched versions (13.0.1, 12.2.2, 10.5.3, 8.13.13).

Affected products

• Umbraco Umbraco Forms: before 8.13.13 (fixed in 8.13.13); from 9.0.0, before 10.5.3 (fixed in 10.5.3); from 11.0.0, before 12.2.2 (fixed in 12.2.2); from 13.0.0, before 13.0.1 (fixed in 13.0.1)

Published 2024-05-28. Last modified 2026-06-17.