CVE-2021-21023

MEDIUM4.8EPSS 3.8%

Magento stored cross-site scripting vulnerability in the admin console

Published: 5/24/2022Modified: 2/10/2025

Also known as:GHSA-h5rm-m772-6qcxBIT-magento-2021-21023

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to a stored cross-site scripting vulnerability in the admin console. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.

Affected packages (3)

Bitnami/magentofrom 0, < 2.3.6, >= 2.4.0, < 2.4.1
Packagist/magento/community-editionfrom 0, < 2.3.6
Packagist/magento/project-community-editionfrom 0, <= 2.0.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References (3)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21023
PATCHhttps://github.com/magento/magento2
WEBhttps://helpx.adobe.com/security/products/magento/apsb21-08.html