XSS in Red Hat Build Of Keycloak 22
CVE-2023-6134
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (70.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Red Hat Build Of Keycloak 22 — versions 22.0.7-1, 22-6, 22-9
- Red Hat Build Of Keycloak 22.0.7
- Red Hat Single Sign-On 7
- Red Hat Single Sign-On 7.6 For Rhel 7 — versions 0:18.0.11-2.redhat_00003.1.el7sso, 0:18.0.12-1.redhat_00001.1.el7sso
- Red Hat Single Sign-On 7.6 For Rhel 8 — versions 0:18.0.11-2.redhat_00003.1.el8sso, 0:18.0.12-1.redhat_00001.1.el8sso
- Red Hat Single Sign-On 7.6 For Rhel 9 — versions 0:18.0.11-2.redhat_00003.1.el9sso, 0:18.0.12-1.redhat_00001.1.el9sso
- Red Hat Rhel-8 Based Middleware Containers — versions 7.6-38, 7.6.6-2, 7.6-41
- Red Hat Single Sign-On 7.6.6
- Red Hat Enterprise Linux — versions 7.0, 8.0, 9.0
- Red Hat Keycloak
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2023:7854 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7855 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7856 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7857 (Exploit, vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7858 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7860 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7861 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2024:0798 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0799 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:0800 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-6134?
- CVE-2023-6134 is a medium-severity vulnerability in Red Hat Build Of Keycloak 22, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2023-12-14.
- How severe is CVE-2023-6134?
- Medium severity. CVSS v3 base score is 4.6 out of 10.
- Is CVE-2023-6134 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.