Concrete CMS Stored XSS

MEDIUM 4.8CVE-2023-49337 · GHSA-9xxv-q6pp-96wq · Published 29/02/2024 · updated 17/06/2026

In short

CVE-2023-49337 is a MEDIUM (CVSS 4.8) vulnerability affecting concrete5/concrete5, concrete cms (concretecms).
Chance of exploitation in the next 30 days (EPSS): 0.55%, higher than 46.0% of all vulnerabilities.
Fix: update to 9.2.3 or later.

Package	Affected versions	Patched versions
concrete5/concrete5 Packagist	`≥ 9.0.0, < 9.2.3`	`9.2.3`
concrete cms concretecms	`≥ 9.0.0, < 9.2.3`	`9.2.3`

Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)

NVD description

Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)

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Package

Affected versions

Patched versions

Packagist

≥ 9.0.0, < 9.2.3

9.2.3

≥ 9.0.0, < 9.2.3

9.2.3

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