VULNERABILITY INTELLIGENCE

CVE-2023-28820

CVSS score2 LOW
EPSS probability0.39%
CISA KEVNot currently listed
Published2023-04-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

Description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

Weakness classification

  • nvd@nist.gov: CWE-79
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79

Primary references