XSS in Concrete Cms
CVE-2025-0660
Concrete CMS versions 9.0.0 through 9.3.9 are affected by a stored XSS in Folder Function.The "Add Folder" functionality lacks input sanitization, allowing a rogue admin to inject XSS payloads as folder names. The Concrete CMS security team gave this vulnerability a CVSS 4.0 Score of 4.8 with vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N. Versions below 9 are not affected. Thanks, Alfin Joseph for reporting.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (22.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Concrete Cms — versions 9.0.0
- Concretecms Concrete Cms
Weakness classification (CWE)
References
- ff5b8ace-8b95-4078-9743-eac1ca5451de (release-notes, Release Notes)
- ff5b8ace-8b95-4078-9743-eac1ca5451de (Patch, patch, Issue Tracking)
- ff5b8ace-8b95-4078-9743-eac1ca5451de (patch, Issue Tracking)
Frequently asked questions
- What is CVE-2025-0660?
- CVE-2025-0660 is a medium-severity vulnerability in Concrete Cms, classified under Improper Input Validation. CVSS score: 4.8/10. Published 2025-03-10.
- How severe is CVE-2025-0660?
- Medium severity. CVSS v3 base score is 4.8 out of 10.