CVE-2021-47917

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published
Feb 1, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-47917: Medium severity, CVSS 5.4 | Vulnix