Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-16887
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:13 UTC · Revision 1
Source evidence
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.
osv:CVE-2018-16887
Complete source record
{
"id": "7357b2fadf631f9545d01718eed870a377475de880617f75832524d1ff57340f",
"url": "https://osv.dev/vulnerability/CVE-2018-16887",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-16887",
"summary": "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.",
"evidence": "osv:CVE-2018-16887",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-16887",
"aliases": [
"CVE-2018-16887",
"GHSA-mhhc-r88h-2qrm"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/katello/katello",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "18ae245ab701427a13adced9cf851b63f1faa67d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:theforeman:katello:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.9.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"3.9.0.rc2",
"3.9.0.rc1",
"2.4.0-RC1",
"rubygem-katello-2.4.0-2",
"rubygem-katello-2.4.0-1",
"rubygem-katello-2.3.0-2",
"katello-2.3.0-1",
"rubygem-katello-2.3.0-1",
"rubygem-katello-2.2.0-2",
"katello-2.2.0-1",
"rubygem-katello-2.2.0-1",
"rubygem-katello-1.5.0-11",
"rubygem-katello-2.0.0-1",
"katello-2.1.0-1",
"rubygem-katello-2.1.0-1",
"katello-2.0.0-0",
"rubygem-katello-1.5.0-12",
"rubygem-katello-1.5.0-10",
"katello-1.5.0-14",
"katello-1.5.0-13",
"katello-1.5.0-12",
"rubygem-katello-1.5.0-9",
"katello-1.4.9-1",
"katello-1.5.1-1",
"katello-1.4.7-1",
"katello-1.4.8-1",
"katello-1.4.6-1",
"katello-1.4.5-1",
"katello-1.4.4-1",
"katello-1.4.3-1",
"katello-1.4.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16887.json"
}
}
],
"modified": "2026-10-24T10:30:25.822914079Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2019:1222",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16887"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:redhat:satellite:6.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:satellite",
"extracted_events": [
{
"range": [
{
"introduced": "6.0"
},
{
"last_affected": "6.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-16887",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431450,
"published_at": "2019-01-13T02:29:00.217+00:00"
}