CVE-2023-6134

MEDIUM

Keycloak - Cross-Site Scripting

Title source: llm
STIX 2.1

Description

A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.

References (14)

Core 14
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7854
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7855
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7856
Exploit, Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7857
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7858
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7860
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2023:7861
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0798
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0799
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0800
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0801
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:0804
Vendor Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6134
Issue Tracking issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2249673

Scores

CVSS v3 4.6
EPSS 0.0247
EPSS Percentile 85.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (10)
org.keycloak/keycloak-services 0 - 23.0.3Maven
redhat/keycloak < 22.0.7
redhat/openshift_container_platform 4.11
redhat/openshift_container_platform 4.12
redhat/openshift_container_platform_for_power 4.9
redhat/openshift_container_platform_for_power 4.10
redhat/openshift_container_platform_ibm_z_systems 4.9
redhat/openshift_container_platform_ibm_z_systems 4.10
redhat/single_sign-on
redhat/single_sign-on < 7.6
Published Dec 14, 2023
Tracked Since Feb 18, 2026