CVE-2023-28819: Concrete CMS (previously concrete5) is vulnerable to stored XSS in uploaded file and folder names

low Affects concrete5/concrete5. Feed 2026.10.29.1, updated 2026-10-28; published 2023-04-28; advisory modified 2026-09-10.

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

Package: concrete5/concrete5 Composer
Affected versions: <9.1.0
Fixed in: 9.1.0
Severity: low CVSS 3.5
Exploitation: not on CISA KEV · EPSS 1% (50.5th percentile)
Published: 2023-04-28
Source: osv.dev

References

CWE-79

NVD record concrete5/concrete5 advisories

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