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.

INFO

Published Date :

2026-01-15T15:52:13.737Z

Last Modified :

2026-01-15T16:40:33.352Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2021-47776 vulnerability.

Vendors Products
Umbraco
  • Umbraco
  • Umbraco Cms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47776.

URL Resource
https://our.umbraco.com/ cve-icon cve-icon
https://releases.umbraco.com/all-releases cve-icon cve-icon
https://www.exploit-db.com/exploits/50462 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact