What is CVE-2023-44763?

CVE-2023-44763 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2023-10-10.

How severe is CVE-2023-44763?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-44763 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Concretecms Concrete Cms

CVE-2023-44763

Concrete CMS v9.2.1 is affected by an Arbitrary File Upload vulnerability via a Thumbnail file upload, which allows Cross-Site Scripting (XSS). NOTE: the vendor's position is that a customer is supposed to know that "pdf" should be excluded from the allowed file types, even though pdf is one of the allowed file types in the default configuration.

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Concretecms Concrete_cms — versions 9.2.1
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2023-44763?: CVE-2023-44763 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2023-10-10.
How severe is CVE-2023-44763?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-44763 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.