CVE-2023-48649
Concrete CMS Cross-site Scripting vulnerability
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
CVE-2023-48649- CVSS 3.1
- 3.5 Low
CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:L/S:U/UI:R - Updated
- 2026-11-02
EUVDEUVD-2023-2855
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
EUVD-2023-2855- CVSS 3.1
- 3.5 Low
CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:L/S:U/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-36fr-3wg8-q5v8
Concrete CMS Cross-site Scripting vulnerability
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
GHSA-36fr-3wg8-q5v8- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
CVE-2023-48649- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
CVE-2023-48649- CVSS 3.1
- 3.5 Low
CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:L/S:U/UI:R - Updated
- 2026-11-02
OSVGHSA-36fr-3wg8-q5v8
Concrete CMS Cross-site Scripting vulnerability
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
- Record
GHSA-36fr-3wg8-q5v8- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
concrete5/concrete5Packagist |
before 8.5.13 | 8.5.13 |
concrete5/concrete5Packagist |
9.0.0 up to 9.2.2 | 9.2.2 |
concrete5/concrete5Packagist |
before 8.5.13, plus listed versions 8.08.0.18.0.28.0.38.1.0 Show 30 moreShow less8.2.08.2.0RC28.2.18.3.08.3.18.3.28.4.08.4.0RC38.4.0RC48.4.18.4.28.4.38.4.48.4.58.5.08.5.0RC18.5.0RC28.5.18.5.108.5.118.5.128.5.28.5.38.5.48.5.58.5.68.5.6RC18.5.78.5.88.5.9 |
8.5.13 |
concrete5/concrete5Packagist |
9.0.0 up to 9.2.2, plus listed versions 9.0.19.0.29.1.09.1.19.1.2 Show 4 moreShow less9.1.39.2.09.2.0RC29.2.1 |
9.2.2 |
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-2023-48649 is a low vulnerability (CVSS 3.5) in Concretecms Concrete Cms, published November 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in concrete5/concrete5 8.5.13.
References
concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release
documentation.concretecms.org/developers/introduction/version-history/922-release-notes
github.com/concretecms/concretecms/pull/11695
nvd.nist.gov/vuln/detail/CVE-2023-48649