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CVE-2021-47776

MEDIUM CVSS: 5.3 Published: 2026-01-15 Modified: 2026-06-17

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.

Affected Platforms

Umbraco Umbraco Cms

Weakness Type

CWE-918

References