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CVE-2026-21861

CRITICAL

9.1

Description

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.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/31/2026

Derniere modification4/1/2026

Sourcenvd

Observations honeypot0

Produits affectes

basercms:basercms

Faiblesses (CWE)

CWE-78

References

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)

Correlations IOC

Aucune correlation enregistree

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