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CRITICALCVE-2026-30877Published Modified CNA GitHub_M

CVE-2026-30877: baserCMS: OS Command Injection in the baserCMS Update Functionality

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.

Metrics

CVSS v3.1
9.1
Severity
CRITICAL
Fixed in
—
Affected Products
1
Affected packages
  • baserproject / basercms
    < 5.2.3
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References