Description
A flaw was found in the SAML client registration in Keycloak that could allow an administrator to register malicious JavaScript URIs as Assertion Consumer Service POST Binding URLs (ACS), posing a Cross-Site Scripting (XSS) risk. This issue may allow a malicious admin in one realm or a client with registration access to target users in different realms or applications, executing arbitrary JavaScript in their contexts upon form submission. This can enable unauthorized access and harmful actions, compromising the confidentiality, integrity, and availability of the complete KC instance.
Published: 2024-04-25
Score: 6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2024-1164 A flaw was found in the SAML client registration in Keycloak that could allow an administrator to register malicious JavaScript URIs as Assertion Consumer Service POST Binding URLs (ACS), posing a Cross-Site Scripting (XSS) risk. This issue may allow a malicious admin in one realm or a client with registration access to target users in different realms or applications, executing arbitrary JavaScript in their contexts upon form submission. This can enable unauthorized access and harmful actions, compromising the confidentiality, integrity, and availability of the complete KC instance.
Github GHSA Github GHSA GHSA-8rmm-gm28-pj8q Keycloak Cross-site Scripting (XSS) via assertion consumer service URL in SAML POST-binding flow
History

Wed, 18 Mar 2026 03:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:quarkus:3

Thu, 19 Sep 2024 08:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 29 Aug 2024 19:00:00 +0000

Type Values Removed Values Added
References

Thu, 29 Aug 2024 06:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:jboss_enterprise_bpms_platform:7.13

Subscriptions

Redhat Amq Broker Build Keycloak Jboss Data Grid Jboss Enterprise Application Platform Jboss Enterprise Bpms Platform Jboss Enterprise Brms Platform Jboss Fuse Jbosseapxp Migration Toolkit Applications Openshift Gitops Openshift Serverless Quarkus Red Hat Single Sign On Rhdh Service Registry
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-04-01T19:03:55.425Z

Reserved: 2023-12-12T07:30:43.924Z

Link: CVE-2023-6717

cve-icon Vulnrichment

Updated: 2024-08-02T08:35:14.887Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-04-25T16:15:10.653

Modified: 2024-11-21T08:44:24.813

Link: CVE-2023-6717

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-04-16T00:00:00Z

Links: CVE-2023-6717 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses