CVE-2023-44763
ConcreteCMS vulnerable to Stored Cross-site Scripting
5.4
MEDIUM
CVSS 3.1
EPSS 0.27%
Description
Concrete CMS v9.2.1 is affected by Arbitrary File Upload vulnerability via the Thumbnail file upload, which allows Cross-Site Scripting (XSS).
How to fix CVE-2023-44763
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Packagist/concrete5/concrete5—no fix listed
Is CVE-2023-44763 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, <= 9.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
References (5)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-44763
- PATCHgithub.com/concretecms/concretecms
- WEBgithub.com/sromanhu/ConcreteCMS-Arbitrary-file-upload-Thumbnail
- WEBweb.archive.org/web/20231026034159/https://documentation.concretecms.org/user-guide/editors-reference/dashboard/system-and-maintenance/files/allowed-file-types