What is CVE-2023-48650?

CVE-2023-48650 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-02-29.

How severe is CVE-2023-48650?

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

XSS in Concretecms Concrete Cms

CVE-2023-48650

Concrete CMS before 8.5.14 and 9 before 9.2.3 is vulnerable to an admin adding a stored XSS payload via the Layout Preset name.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-02-29 · last modified 2026-06-17.

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: 0.005 (39.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Concretecms Concrete Cms

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

documentation.concretecms.org/developers/introduction/version-history/923-relea… (Release Notes)
www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cve… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-48650?: CVE-2023-48650 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-02-29.
How severe is CVE-2023-48650?: Medium severity. CVSS v3 base score is 4.8 out of 10.