CVE-2022-0087 Cross-site Scripting (XSS) - Reflected in keystonejs/keystone

High 7.1 Published Updated

Reflected Cross-Site Scripting in KeystoneJS allows attackers to inject malicious scripts into web pages viewed by other users.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-0087?

CVE-2022-0087 is a high-severity cross-site scripting vulnerability in keystonejs/keystone, published on 11 Jan 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

keystone is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Weakness: CWE-79

Which versions are affected by CVE-2022-0087?

4 open source packages ship an affected version, including @keystone-6/auth and @keystone-next/auth. It affects 1 product.

PackageAffectedFixed in
@keystone-6/auth npmAll versions1.0.2
@keystone-6/auth npmAll versions1.0.2
@keystone-next/auth npmAll versions to 37.0.0None
@keystone-next/auth npmAll versions to 37.0.0None

Products include Keystonejs Keystone.

How do I fix CVE-2022-0087?

Upgrade @keystone-6/auth to 1.0.2 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-0087 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0087 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-hrgx-7j6v-xj82.

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