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CVE-2022-4361

22
FAUCET Score

CVE-2022-4361 describes a cross-site scripting (XSS) vulnerability in Keycloak, an open-source identity and access management solution, specifically within its SAML or OIDC providers. This flaw affects Red Hat Keycloak, Enterprise Linux, OpenShift Container Platform, and Single Sign-On, allowing attackers to inject malicious scripts via the AssertionConsumerServiceURL or redirect_uri. Rated 6.1 MEDIUM, the vulnerability has a low attack complexity and requires user interaction (UI:R), but can lead to limited confidentiality and integrity impacts (C:L/I:L). The attack vector is network-based (AV:N). Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Despite this, the CVE has garnered significant community discussion with 10 mentions, indicating notable attention among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
< 21.1.2CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
>= 7.6, < 7.6.4CPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*
4.11CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*
4.12CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 50th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-servicesFixed in: 21.1.2
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 7Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el7sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 8Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el8sso
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el9sso
View patch
redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: rh-sso-7/sso76-openshift-rhel8:7.6-24
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (2)

mavenGHSA-3p62-6fjh-3p5hcritical

Keycloak vulnerable to cross-site scripting when validating URI-schemes on SAML and OIDC

Jun 30, 2023
redhatCVE-2022-4361Important

RHSSO: XSS due to lax URI scheme validation

Jun 27, 2023

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory
github.com / keycloak/keycloak/commit/a1cfe6e24e5b34792699a00b8b4a8016a5929e3a
Patch