CVE-2024-35218

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

Published May 21, 2024 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
Umbraco CMS is an ASP.NET CMS used by more than 730.000 websites. Stored Cross-site scripting (XSS) enable attackers that have access to backoffice to bring malicious content into a website or application. This vulnerability has been patched in version(s) 8.18.13, 10.8.4, 12.3.7, 13.1.1 by implementing IHtmlSanitizer.




Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-1633 Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane
Github GHSA Github GHSA GHSA-gvpc-3pj6-4m9w Umbraco CMS Vulnerable to Stored XSS on Content Page Through Markdown Editor Preview Pane
History
Type Values Removed Values Added
First Time appeared Umbraco
Umbraco umbraco Cms
CPEs cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*
Vendors & Products Umbraco
Umbraco umbraco Cms
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 2, 2024, 3:07 AM
Reserved
May 14, 2024, 3:39 PM
Status
Analyzed
Published
May 21, 2024, 2:15 PM
Modified
Jun 17, 2026, 7:34 AM