CVE-2017-15881: Keystonejs Keystone

Medium severity, CVSS 4.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Cross-Site Scripting vulnerability in KeystoneJS before 4.0.0-beta.7 allows remote authenticated administrators to inject arbitrary web script or HTML via the "content brief" or "content extended" field, a different vulnerability than CVE-2017-15878.

Affected products

• Keystonejs Keystone: up to and including 0.3.22; version 4.0.0 only

Published 2017-10-24. Last modified 2026-06-17.