Detections
Analytics

SCA: security update for baserproject/basercms (GHSA-qxmc-6f24-g86g)

high Tenable Self-Hosted Container Security Plugin ID 439577

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command
 injection vulnerability in the core update functionality. An authenticated administrator can execute
 arbitrary OS commands on the server due to improper handling of user-controlled input that is directly
 passed to exec() without sufficient validation or escaping. This issue has been patched in version 5.2.3.
 (CVE-2026-21861)

Solution

Update the baserproject/basercms library and its related packages to version 5.2.3 or later.

See Also

https://github.com/advisories/GHSA-qxmc-6f24-g86g

Plugin Details

Severity: High

ID: 439577

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 4/1/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2026-21861

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/31/2026

Vulnerability Publication Date: 3/31/2026

Reference Information

CVE: CVE-2026-21861

cwe: CWE-78