Security Advisory

CVE-2021-47776

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-15 15:52:13

Last updated 2026-04-07 14:06:05

Assigner VulnCheck

CVSS score 6.9

State PUBLISHED

Description

Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHelpForPage, GetRemoteDashboardContent, and GetRemoteDashboardCss endpoints to trigger unauthorized server-side requests to external hosts.

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