Detections
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SCA: security update for concrete5/concrete5 (GHSA-f4vq-pj32-gr4q)

medium Tenable Cloud Security Plugin ID 438345

Description

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

 - In Concrete CMS below version 9.4.8, a stored cross-site scripting (XSS) vulnerability exists in the
 "Legacy Form" block. An authenticated user with permissions to create or edit forms (e.g., a rogue
 administrator) can inject a persistent JavaScript payload into the options of a multiple-choice question
 (Checkbox List, Radio Buttons, or Select Box). This payload is then executed in the browser of any user
 who views the page containing the form. The Concrete CMS security team gave this vulnerability a CVSS
 v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks
 M3dium for reporting. (CVE-2026-3241)

See Also

https://github.com/advisories/GHSA-f4vq-pj32-gr4q

Plugin Details

Severity: Medium

ID: 438345

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 3/5/2026

Updated: 7/2/2026

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: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-3241

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.9

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/4/2026

Vulnerability Publication Date: 3/4/2026

Reference Information

CVE: CVE-2026-3241

cwe: CWE-79