SCA: security update for concrete5/concrete5 (GHSA-4pcg-pjp5-3mc6)

medium Tenable Self-Hosted Container Security Plugin ID 431697

Description

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

- Concrete CMS 9 to 9.4.2 and versions below 8.5.21 are vulnerable to Reflected Cross-Site Scripting (XSS)
in the Conversation Messages Dashboard Page. Unsanitized input could cause theft of session cookies or
tokens, defacement of web content, redirection to malicious sites, and (if victim is an admin), the
execution of unauthorized actions. 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:L/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks
Fortbridge https://fortbridge.co.uk/ for performing a penetration test and vulnerability assessment on
Concrete CMS and reporting this issue. (CVE-2025-8571)

See Also

https://github.com/advisories/GHSA-4pcg-pjp5-3mc6

Plugin Details

Severity: Medium

ID: 431697

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 8/6/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.14

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2025-8571

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

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:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 4.8

Threat Score: 1.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/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: 8/6/2025

Vulnerability Publication Date: 8/5/2025

Reference Information

CVE: CVE-2025-8571