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TI-2022-02081 Aliases CVE-2022-2256GHSA-w9mf-83w3-fv49

Cross-site scripting in keycloak

Priority LOW 19CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79.

Summary

A Stored Cross-site scripting (XSS) vulnerability was found in keycloak as shipped in Red Hat Single Sign-On 7. This flaw allows a privileged attacker to execute malicious scripts in the admin console, abusing the default roles functionality.

Why it matters now

EPSS 0.00696 53rd percentileScored 2026-11-07
Fix Fixed org.keycloak:keycloak-parent (Maven): 19.0.2Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—keycloakkeycloak as shipped in Red Hat Single Sign-On 7—No fix listedCNA
—org.keycloak:keycloak-parent (Maven)before 19.0.219.0.2Patch availableGHSA-w9mf-83w3-fv49
  • keycloak Vendor— Affected keycloak as shipped in Red Hat Single Sign-On 7 Fixed in — No fix listed CNA
  • org.keycloak:keycloak-parent (Maven) Vendor— Affected before 19.0.2 Fixed in 19.0.2 Patch available GHSA-w9mf-83w3-fv49

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

  • Fix · GHSA-w9mf-83w3-fv49 org.keycloak:keycloak-parent (Maven) Fixed in 19.0.2 Advisory →

Red Hat 3 advisories

  • RHSA-2022:6782 Released 2022-10-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.5.3 security update on RHEL 7
    • Red Hat Single Sign-On 7.5 for RHEL 7 Server rh-sso7-keycloak-15.0.8-1.redhat_00001.1.el7sso, rh-sso7-keycloak-server-15.0.8-1.redhat_00001.1.el7sso
  • RHSA-2022:6787 Released 2022-10-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.5.3 security update
    • Red Hat Single Sign-On 7
  • RHSA-2022:6783 Released 2022-10-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.5.3 security update on RHEL 8
    • Red Hat Single Sign-On 7.5 for RHEL 8 rh-sso7-keycloak-15.0.8-1.redhat_00001.1.el8sso, rh-sso7-keycloak-server-15.0.8-1.redhat_00001.1.el8sso

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Single Sign-On 7Fixed RHSA-2022:6787
Red Hat Single Sign-On 7.5 for RHEL 7 ServerFixed RHSA-2022:6782
Red Hat Single Sign-On 7.5 for RHEL 8Fixed RHSA-2022:6783

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2256
  2. 2026-10-03 Alias added: GHSA-w9mf-83w3-fv49

References

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2025-11507 Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf CVSS 3.1CRITICAL 9.6
  • TI-2019-06950 Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2019-06949 Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a… CVSS 3.1HIGH 7.5
  • TI-2021-02983 Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2 CVSS 3.1HIGH 7.5
  • TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
See all 112 →

Sources