CVE-2021-36022CWE-78

Magento Commerce Widgets Update Layout XML Injection Vulnerability Could Lead To Remote Code Execution

Critical · published September 1, 2021

CVSS v3.1
9.1
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

🚨 A crafty admin can trigger a specially crafted script through Magento's Widgets Update Layout. That means remote code execution is just a click away! 🔥 Think of it like a hotel manager who can unlock every room just by entering a special code — if that code falls into the wrong hands, it’s game over for guest privacy! An attacker with admin access could run any code they desire on the server, potentially leading to unauthorized data access, system manipulation, or worse — total takeover! This could be absolutely devastating for businesses relying on Magento for their online presence.

Put simply

Think of it like a hotel manager who can unlock every room just by entering a special code — if that code falls into the wrong hands, it’s game over for guest privacy! This XML Injection vulnerability allows an attacker with admin privileges to inject malicious scripts into the system, leading to full remote code execution and compromising the integrity of the application.

What to do

An attacker with admin access could run any code they desire on the server, potentially leading to unauthorized data access, system manipulation, or worse — total takeover! This could be absolutely devastating for businesses relying on Magento for their online presence. Immediate steps to take include patching your installations to the latest version: upgrade to Magento Commerce 2.4.3 or later. Additionally, ensure that admin privileges are strictly controlled and audit current access rights. You've got this! By following these steps, you can secure your Magento instance and keep your digital storefront safe. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03440 · 88.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-09-01T14:28Z
EPSS history
Timeline
  • 01 SEP 14:28Z
    Magento Commerce Widgets Update Layout XML Injection Vulnerability Could Lead To Remote Code Execution
    cvelistv5