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GHSA-gvpc-3pj6-4m9w: Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane

Impact

Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application.

Affected versions

Umbraco CMS >= 8.00

Patches

This is fixed in 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing IHtmlSanitizer

ghsa
#xss#vulnerability#web#git

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2024-35218

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

Moderate severity GitHub Reviewed Published May 21, 2024 in umbraco/Umbraco-CMS • Updated May 21, 2024

Package

nuget UmbracoCms.Core (NuGet)

Affected versions

>= 8.0.0, < 8.18.13

>= 10.0.0, < 10.8.4

>= 12.0.0, < 12.3.7

>= 13.0.0, < 13.1.1

Patched versions

8.18.13

10.8.4

12.3.7

13.1.1

Description

Published to the GitHub Advisory Database

May 21, 2024

Last updated

May 21, 2024

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