CVE-2020-23839

PoC —

CVSS 3.1

6.1 medium

EPSS

10%p95

Published

Sep 1, 2020 (Sep 1, 2020)

Modified

Jun 17, 2026

Description

A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.

Vendors: get-simple
Products: getsimple cms
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (10.5%)

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