VULNERABILITY INTELLIGENCE

CVE-2020-21353

CVSS score5.4 MEDIUM

EPSS probability0.55%

CISA KEVNot currently listed

Published2021-08-06

Last modified2026-06-17

Description

A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.