CVE-2023-49337
Concrete CMS Stored XSS
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
CVE-2023-49337- CVSS 3.1
- 2.4 Low
CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:R - Updated
- 2026-11-02
EUVDEUVD-2024-0605
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
EUVD-2024-0605- CVSS 3.1
- 2.4 Low
CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9xxv-q6pp-96wq
Concrete CMS Stored XSS
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
GHSA-9xxv-q6pp-96wq- CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
CVE-2023-49337- CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
CVE-2023-49337- CVSS 3.1
- 2.4 Low
CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:R - Updated
- 2026-11-02
OSVGHSA-9xxv-q6pp-96wq
Concrete CMS Stored XSS
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
- Record
GHSA-9xxv-q6pp-96wq- CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
concrete5/concrete5Packagist |
9.0.0 up to 9.2.3 | 9.2.3 |
concrete5/concrete5Packagist |
9.0.0 up to 9.2.3, plus listed versions 9.0.19.0.29.1.09.1.19.1.2 Show 5 moreShow less9.1.39.2.09.2.0RC29.2.19.2.2 |
9.2.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-49337 is a low vulnerability (CVSS 2.4) in Concretecms Concrete Cms, published December 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. Fixed in concrete5/concrete5 9.2.3.
References
hackerone.com/reports/2232594
github.com/concretecms/concretecms/commit/07b433799b888c4eb854e052ca58b032ebc6d36f
concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates
nvd.nist.gov/vuln/detail/CVE-2023-49337
documentation.concretecms.org/developers/introduction/version-history/923-release-notes