CVE-2018-16887: Red Hat Satellite

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) flaw was found in the katello component of Satellite. An attacker with privilege to create/edit organizations and locations is able to execute a XSS attacks against other users through the Subscriptions or the Red Hat Repositories wizards. This can possibly lead to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Versions before 3.9.0 are vulnerable.

Affected products

• Red Hat Satellite: version 6.0 only
• Theforeman Katello: before 3.9.0 (fixed in 3.9.0)

Published 2019-01-13. Last modified 2026-06-17.