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Vulnerability record · CVE-2026-30877 · published 31 March 2026

CVE-2026-30877: Basercms os command injection vulnerability

Basercms · Basercms

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.

7.2 CVSS 3.1 High EPSS 2.1% · top 19.5% CWE-78 · OS command injection
7.2CVSS 3.1 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://basercms.net/security/JVN_20837860 Vendor Advisory
https://github.com/baserproject/basercms/releases/tag/5.2.3 Release Notes
https://github.com/baserproject/basercms/security/advisories/GHSA-m9g7-rgfc-jcm7 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-30877), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.