VULNERABILITY INTELLIGENCE

CVE-2021-47917

CVSS score6.4 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-02-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote attackers to inject malicious script code. Attackers can exploit the newUser and editUser modules to inject persistent scripts that execute on user list preview, potentially leading to session hijacking and application manipulation.

Weakness classification

  • disclosure@vulncheck.com: CWE-79

Primary references