CVE-2021-47919

MEDIUM

6.4

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.

CVE Details

CVSS v3.1 Score6.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/1/2026

Last Modified2/11/2026

Sourcenvd

Honeypot Sightings0

Affected Products

simplephpscripts:simple_cms_php

Weaknesses (CWE)

CWE-79

References

https://simplephpscripts.com/simple-cms-php(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/simple-cms-non-persistent-cross-site-scripting-via-preview-parameter(disclosure@vulncheck.com)

https://www.vulnerability-lab.com/get_content.php?id=2301(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.