Vulnerability record · CVE-2018-16887 · published 13 January 2019

CVE-2018-16887: Redhat satellite cross-site scripting vulnerability

Redhat · Satellite

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.

5.4 CVSS 3.0 Medium EPSS 1.00% · top 38.7% CWE-79 · Cross-site scripting

5.4CVSS 3.0 base score, v2 3.5

1.00%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

4References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Satellite Redhat

Katello Theforeman

References

Link	Tags
https://access.redhat.com/errata/RHSA-2019:1222
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16887	ExploitIssue TrackingPatchThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:1222
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16887	ExploitIssue TrackingPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-16887), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.