Detections
Analytics

SCA: security update for concrete5/concrete5 (GHSA-pcrh-gj77-j4mw)

low Tenable Cloud Security Plugin ID 443904

Description

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

 - Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName because
 updateCollectionAliasExternal bypasses being sanitized. The Concrete CMS security team gave this
 vulnerability a CVSS v.4.0 score of 2.0 with vector
 CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for
 reporting. (CVE-2026-8139)

Solution

Update the concrete5/concrete5 library and its related packages to version 9.5.1 or later.

See Also

https://github.com/advisories/GHSA-pcrh-gj77-j4mw

Plugin Details

Severity: Low

ID: 443904

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 6/25/2026

Updated: 6/25/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2026-8139

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

CVSS v4

Risk Factor: Low

Base Score: 2

Threat Score: 0.4

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/22/2026

Vulnerability Publication Date: 5/21/2026

Reference Information

CVE: CVE-2026-8139

cwe: CWE-79