CVE-2017-15280: Umbraco CMS

Medium severity, CVSS 5.5. EPSS: 1.1% chance of exploitation in the next 30 days.

XML external entity (XXE) vulnerability in Umbraco CMS before 7.7.3 allows attackers to obtain sensitive information by reading files on the server or sending TCP requests to intranet hosts (aka SSRF), related to Umbraco.Web/umbraco.presentation/umbraco/dialogs/importDocumenttype.aspx.cs.

Affected products

• Umbraco Umbraco CMS: up to and including 7.7.2

Published 2017-10-12. Last modified 2026-06-17.