# CVE-2024-35218: Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Source: https://junglewise.ai/threats/cve-2024-35218-umbraco-cms-vulnerable-to-stored-xss-on-content-page-through  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-05-21  
License: CC BY 4.0 with a link back

CVE-2024-35218 · Severity: low · CVSS 3.1 · Published 2024-05-21

Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Technologies: [UmbracoCms.Core (NuGet)](https://junglewise.ai/threats/technologies/umbracocms-core). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2024-35218 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-35218 being exploited in the wild.

**How severe is CVE-2024-35218?** Low severity, with a CVSS score of 3.1, published 21 May 2024.

**Which products and versions are affected?** UmbracoCms.Core (NuGet) ECOSYSTEM:introduced=8.0.0,fixed=8.18.13.

**Is there a fix for CVE-2024-35218?** Yes. UmbracoCms.Core (NuGet): upgrade to 8.18.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-35218?** Check whether you run UmbracoCms.Core (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- UmbracoCms.Core (NuGet): upgrade to 8.18.13 or later

  ```sh
  dotnet add package UmbracoCms.Core --version 8.18.13
  ```


## Affected products

- UmbracoCms.Core (NuGet) ECOSYSTEM:introduced=8.0.0,fixed=8.18.13

## Identifiers

- CVE-2024-35218
- GHSA-gvpc-3pj6-4m9w

## Related threats

- [Umbraco CMS Open Redirect Bypass Protection](https://junglewise.ai/threats/cve-2024-34071-umbraco-cms-open-redirect-bypass-protection)
- [Umbraco CMS vulnerable to stored XSS](https://junglewise.ai/threats/cve-2020-5809-umbraco-cms-vulnerable-to-stored-xss)
- [Umbraco CMS Authenticated File Upload](https://junglewise.ai/threats/cve-2020-9471-umbraco-cms-authenticated-file-upload)
- [Umbraco CMS vulnerable to CSRF](https://junglewise.ai/threats/cve-2020-7210-umbraco-cms-vulnerable-to-csrf)