CVE-2017-15280

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.

• CWE-611

• http://issues.umbraco.org/issue/U4-10506Issue Tracking, Patch, Vendor Advisory
• https://github.com/umbraco/Umbraco-CMS/commit/5dde2efe0d2b3a47d17439e03acabb7ea2befb64Patch, Third Party Advisory
• http://issues.umbraco.org/issue/U4-10506Issue Tracking, Patch, Vendor Advisory
• https://github.com/umbraco/Umbraco-CMS/commit/5dde2efe0d2b3a47d17439e03acabb7ea2befb64Patch, Third Party Advisory

Published

Oct 12, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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