Detections
Analytics

SCA: security update for baserproject/basercms (GHSA-c5c6-37vq-pjcq)

high Tenable Self-Hosted Container Security Plugin ID 439572

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, a path traversal vulnerability exists
 in the theme file management API (/baser/api/admin/bc-theme-file/theme_files/add.json) that allows
 arbitrary file write. An authenticated administrator can include ../ sequences in the path parameter to
 create a PHP file in an arbitrary directory outside the theme directory, which may result in remote code
 execution (RCE). This issue has been patched in version 5.2.3. (CVE-2026-30940)

Solution

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

See Also

https://github.com/advisories/GHSA-c5c6-37vq-pjcq

Plugin Details

Severity: High

ID: 439572

Version: Revision 1.6

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: High

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-2026-30940

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-2026-30940