VULNERABILITY INTELLIGENCE
CVE-2021-47919
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 non-persistent cross-site scripting vulnerability in the preview.php file's id parameter. Attackers can inject malicious script code through a GET request to execute arbitrary scripts and potentially hijack user sessions or perform phishing attacks.
Weakness classification
- disclosure@vulncheck.com: CWE-79
Primary references
- disclosure@vulncheck.com — Product
- disclosure@vulncheck.com — Third Party Advisory
- disclosure@vulncheck.com — Exploit, Third Party Advisory