OS Command Injection in baserCMS - CVE-2026-30877
Published: April 27, 2026
Vulnerability identifier: #VU128063
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-30877
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: baserproject
Affected software:
baserCMS
baserCMS
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary OS commands.
The vulnerability exists due to improper neutralization of special elements used in an OS command in the update functionality when handling update operations. A remote privileged user can send crafted input to execute arbitrary OS commands.
Commands are executed with the privileges of the user account running baserCMS.
How to mitigate CVE-2026-30877
Install security update from vendor's website.