🛡️ CVE-2023-28471 — concrete-cms

🟡 CVSS 5.4 — Medium ✅ No Known Exploit CWE-79 NVD
5.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Stored cross site scripting via container name

Concrete CMS (previously concrete5) before 9.2 is vulnerable to Stored XSS via a container name.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2023-28471 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2023-28471 is recorded against 2 packages.

  • concrete-cms (fixed in 9.2.0)
  • concrete5/concrete5 (fixed in 9.2.0)

Timeline and source

Published on 28 April 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

concretecms.com
www.concretecms.org
www.concretecms.org
concretecms.com
www.concretecms.org
www.concretecms.org

Details

Severity MEDIUM
CVSS Score 5.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2023-04-28
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
concrete-cms — 9.2.0
concrete5/concrete5 — 9.2.0

Similar Threats

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