CVE-2023-44764
ConcreteCMS Cross-site Scripting vulnerability
A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).
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
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).
- Record
CVE-2023-44764- 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
CVE List No score
A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).
- Record
CVE-2023-44764- Updated
- 2026-11-02
EUVDEUVD-2023-2759 No score
A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).
- Record
EUVD-2023-2759- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j6h5-ggv2-3rfv
ConcreteCMS Cross-site Scripting vulnerability
A Cross Site Scripting (XSS) vulnerability in Concrete CMS v.9.2.1 allows an attacker to execute arbitrary code via a crafted script to the SITE parameter from installation or in the Settings.
- Record
GHSA-j6h5-ggv2-3rfv- 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
OSVGHSA-j6h5-ggv2-3rfv
ConcreteCMS Cross-site Scripting vulnerability
A Cross Site Scripting (XSS) vulnerability in Concrete CMS v.9.2.1 allows an attacker to execute arbitrary code via a crafted script to the SITE parameter from installation or in the Settings.
- Record
GHSA-j6h5-ggv2-3rfv- 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 No score
A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).
- Record
CVE-2023-44764- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
concrete5/concrete5Packagist |
through 9.2.1 | None known |
concrete5/concrete5Packagist |
through 9.2.1, plus listed versions 8.08.0.18.0.28.0.38.1.0 Show 45 moreShow less8.2.08.2.0RC28.2.18.3.08.3.18.3.28.4.08.4.0RC38.4.0RC48.4.18.4.28.4.38.4.48.4.58.5.08.5.0RC18.5.0RC28.5.18.5.108.5.118.5.128.5.138.5.148.5.158.5.168.5.178.5.188.5.198.5.28.5.208.5.218.5.38.5.48.5.58.5.68.5.6RC18.5.78.5.88.5.99.0.09.0.0RC19.0.0RC39.0.0RC49.0.19.0.2 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | sromanhu/CVE-2023-44764_ConcreteCMS-Stored-XSS---Site_Installation | 2023-09-25 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-44764 is a medium vulnerability (CVSS 5.4) in Concretecms Concrete Cms, published October 6, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. No source names a fixed version.
References
github.com/sromanhu/ConcreteCMS-Stored-XSS---Site_Installation
documentation.concretecms.org/developers/introduction/version-history/923-release-notes
nvd.nist.gov/vuln/detail/CVE-2023-44764
Left out here: 6 versions. The JSON record has them.