CVE-2021-47917 – Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters

CVE ID : CVE-2021-47917

Published : Feb. 1, 2026, 12:15 p.m. | 59 minutes ago

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.

Severity: 6.4 | MEDIUM

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