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CVE-2021-47776

6.9 medium SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 6.9 · umbracoNVD modified 2026-10-08 16:16

Affected (CPE criteria) 1

  • cpe:2.3:a:umbraco:umbraco_cms:8.14.1:*:*:*:*:*:*:*

References 3