CVE-2023-49337 json
Concrete CMS Stored XSS
published 2023-12-25 2 y ago modified 2026-06-17 4 mo ago also GHSA-9xxv-q6pp-96wq , EUVD-2024-0605
- cvss
- 2.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)
Patch / fix
- packagist concrete5/concrete5 9.2.3
- concretecms concrete_cms 9.2.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.4 | CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:R |
| CNA | 3.1 | 2.4 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 2.4 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | concrete5/concrete5 | >=9.0.0, <9.2.3 |
9.2.3 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/concretecms/concretecms/commit/07b433799b888c4eb854e052ca58b032ebc6d36f
web, patch
-
concretecms.org
/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates
web, vendor-advisory
-
hackerone.com
/reports/2232594
web, permissions-required
-
nvd.nist.gov
/vuln/detail/CVE-2023-49337
advisory
-
documentation.concretecms.org
/developers/introduction/version-history/923-release-notes
web
-
github.com
/concretecms/concretecms
package
Sources
- CVE List CVE-2023-49337
- GitHub Advisory GHSA-9xxv-q6pp-96wq
- NVD CVE-2023-49337
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