What is CVE-2025-8573?

CVE-2025-8573 is a medium-severity vulnerability in Concrete Cms, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2025-08-05.

How severe is CVE-2025-8573?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Concrete Cms

CVE-2025-8573

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Concrete Cms — versions 9.0.0
Concretecms Concrete_cms

Weakness classification (CWE)

References

ff5b8ace-8b95-4078-9743-eac1ca5451de (Product)
ff5b8ace-8b95-4078-9743-eac1ca5451de (Release Notes)

Frequently asked questions

What is CVE-2025-8573?: CVE-2025-8573 is a medium-severity vulnerability in Concrete Cms, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2025-08-05.
How severe is CVE-2025-8573?: Medium severity. CVSS v3 base score is 4.8 out of 10.