Concrete CMS (previously concrete5) is vulnerable to stored XSS in uploaded file and folder names

MEDIO 5.4CVE-2023-28819 · GHSA-474f-mcjv-pgrm · Published 28/04/2023 · updated 17/06/2026

In breve

CVE-2023-28819 è una vulnerabilità MEDIO (CVSS 5.4) che riguarda concrete5/concrete5, concrete cms (concretecms).
Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.64%, superiore al 50.7% delle vulnerabilità.
Correzione: aggiornare a 9.1.0 o successiva.

Package	Affected versions	Patched versions
concrete5/concrete5 Packagist	`< 9.1.0`	`9.1.0`
concrete cms concretecms	`< 9.1.0`	`9.1.0`

Concrete CMS (previously concrete5) before 9.1 is vulnerable to Stored XSS in uploaded file and folder names.

NVD description

Concrete CMS (previously concrete5) versions 8.5.12 and below, 9.0.0 through 9.0.2 is vulnerable to Stored XSS in uploaded file and folder names.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

< 9.1.0

9.1.0

< 9.1.0

9.1.0

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