CVE-2026-30877

CRITICAL

9.1

Description

baserCMS is a website development framework. Prior to version 5.2.3, there is an OS command injection vulnerability in the update functionality. Due to this issue, an authenticated user with administrator privileges in baserCMS can execute arbitrary OS commands on the server with the privileges of the user account running baserCMS. This issue has been patched in version 5.2.3.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published3/31/2026

Last Modified4/1/2026

Sourcenvd

Honeypot Sightings0

Affected Products

basercms:basercms

Weaknesses (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-m9g7-rgfc-jcm7(security-advisories@github.com)

IOC Correlations

No correlations recorded

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