CVE-2025-8573
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability—
Product
Concretecms Concrete Cms
PublishedAug 5, 2025
First seenAug 5, 2025
Weakness typeCWE-20Improper input validation
How to fix
Update
- concretecms concrete_cms9.4.3 or later
- concrete5/concrete59.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| concretecms concrete_cms | 9.0 ≤ v < 9.4.3 | 9.4.3 |
| concrete5/concrete5Packagist | 9.0.0RC1 ≤ v < 9.4.3 | 9.4.3 |
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