CVE-2021-47776

MEDIUM

5.3

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.15.3

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado1/15/2026

Ultima modificacao1/23/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

umbraco:umbraco_cms

Fraquezas (CWE)

CWE-918

Referencias

https://our.umbraco.com/(disclosure@vulncheck.com)

https://releases.umbraco.com/all-releases(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50462(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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