What is CVE-2023-44766?

CVE-2023-44766 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-10-06.

How severe is CVE-2023-44766?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2023-44766 known to be exploited?

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

XSS in Concretecms Concrete Cms

CVE-2023-44766

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 SEO - Extra from Page Settings. NOTE: the vendor disputes this because this SEO-related header change can only be made by an admin, and allowing an admin to place JavaScript there is an intentional customization feature.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (43.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2023-44766?: CVE-2023-44766 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-10-06.
How severe is CVE-2023-44766?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2023-44766 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.