CVE-2026-3452

HIGH

7.2

Descricao

Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to unserialize() without class restrictions or integrity checks. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 8.9 with vector CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H. Thanks YJK ( @YJK0805 https://hackerone.com/yjk0805 ) of ZUSO ART https://zuso.ai/ for reporting.

Detalhes CVE

Pontuacao CVSS v3.17.2

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado3/4/2026

Ultima modificacao3/4/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

concretecms:concrete_cms

Fraquezas (CWE)

CWE-502

Referencias

https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes(ff5b8ace-8b95-4078-9743-eac1ca5451de)

https://github.com/concretecms/concretecms/pull/12826/changes/167f16e4805d8ab546d2997c753ac21bf4854920://(ff5b8ace-8b95-4078-9743-eac1ca5451de)

Correlacoes IOC

Sem correlacoes registradas

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