CVE-2026-30877
Critical · 9.1CVSS
9.1
EPSS
2.1%
Published
Mar 31, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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