CVE-2025-8573

MEDIUM

Concrete CMS 9.0-9.4.2 - Stored Cross-Site Scripting via Home Folder on Members Dashboard

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-8573. PoCs published by Chokri Hammedi.

AI-analyzed exploit summary This is a writeup describing a stored XSS vulnerability in Concrete CMS 9.4.3, where an administrator can inject malicious scripts into the site's tracking codes, which execute for every site visitor.

Description

Concrete CMS versions 9 through 9.4.2 are vulnerable to Stored XSS from Home Folder on Members Dashboard page.  Version 8 was not affected. A rogue admin could set up a malicious folder containing XSS to which users could be directed upon login. 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:H/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N. Thanks sealldev  (Noah Cooper) for reporting via HackerOne.

Exploits (1)

exploitdb WRITEUP
by Chokri Hammedi · textwebappsmultiple
https://www.exploit-db.com/exploits/52428

This is a writeup describing a stored XSS vulnerability in Concrete CMS 9.4.3, where an administrator can inject malicious scripts into the site's tracking codes, which execute for every site visitor.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Concrete CMS 9.4.3
Auth required
Prerequisites: Administrator access to Concrete CMS dashboard
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 4.8
EPSS 0.0037
EPSS Percentile 59.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20 CWE-79
Status published
Products (2)
concrete5/concrete5 9.0.0RC1 - 9.4.3Packagist
concretecms/concrete_cms 9.0 - 9.4.3
Published Aug 05, 2025
Tracked Since Feb 18, 2026