CVE-2020-23837

PoC —

CVSS 3.1

8.8 high

EPSS

<1%p55

Published

Sep 25, 2020 (Sep 25, 2020)

Modified

Jun 17, 2026

Description

A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a third-party site or clicks on a URL.

Vendors: multi user project
Products: multi user
Weakness: CWE-352
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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