VULNERABILITY INTELLIGENCE

CVE-2021-28145

CVSS score5.4 MEDIUM
EPSS probability0.86%
CISA KEVNot currently listed
Published2021-03-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct XSS attacks via a crafted survey block. This requires at least Editor privileges.

Weakness classification

  • nvd@nist.gov: CWE-79

Primary references