CVE-2026-30880: 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…

PriorityP271critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

2.06%

78.9th percentile

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
basercms	basercms	< 5.2.3	5.2.3
baserproject	basercms	< 5.2.3	5.2.3
baserproject	basercms	>= 0 < 5.2.3	5.2.3

Detection & IOCsextracted from sources · hover to see the quote

·Vulnerability exists only in baserCMS versions prior to 5.2.3; the installer component is the attack surface for OS command injection. ↗
·No public exploit is available as of the time of publication, and the CVE has not been added to the CISA KEV catalog. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv4.09.2CRITICALCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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