CVE-2026-30880CWE-78

baserCMS: OS command injection vulnerability in installer

Critical · published March 31, 2026

CVSS v4.0
9.2
EPSS
2%
Percentile
82.8
In the wild
Unconfirmed
What it is

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has an OS command injection vulnerability in the installer. This issue has been patched in version 5.2.3.

The record
Technical detail
CVSS v4.0
9.2 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.02248 · 82.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-31T00:44Z
EPSS history
Timeline
  • 31 MAR 00:44Z
    baserCMS: OS command injection vulnerability in installer
    cvelistv5