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CVE-2026-21861

CRITICAL

9.1

Descricao

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection vulnerability in the core update functionality. An authenticated administrator can execute arbitrary OS commands on the server due to improper handling of user-controlled input that is directly passed to exec() without sufficient validation or escaping. This issue has been patched in version 5.2.3.

Detalhes CVE

Pontuacao CVSS v3.19.1

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado3/31/2026

Ultima modificacao4/1/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

basercms:basercms

Fraquezas (CWE)

CWE-78

Referencias

https://basercms.net/security/JVN_20837860(security-advisories@github.com)

https://github.com/baserproject/basercms/releases/tag/5.2.3(security-advisories@github.com)

https://github.com/baserproject/basercms/security/advisories/GHSA-qxmc-6f24-g86g(security-advisories@github.com)

https://github.com/baserproject/basercms/security/advisories/GHSA-qxmc-6f24-g86g(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlacoes IOC

Sem correlacoes registradas

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