Keycloak: xss on impersonation under specific circumstances (Red Hat Red Hat Single Sign-On 7)

CVE-2022-1438

MEDIUM 6.4

At a glance

Source: NVD
EPSS: EPSS 0.66 % · percentile 52 (2026-10-30)
State: PUBLISHED
Published: 2023-09-20 13:34 UTC
Updated: 2024-09-24 15:06 UTC
Assigner: redhat
NVD status: Modified

Search on…

Description

A flaw was found in Keycloak. Under specific circumstances, HTML entities are not sanitized during user impersonation, resulting in a Cross-site scripting (XSS) vulnerability.

Weaknesses (CWE)

CWE-79 — Improper Neutralization of Input During Web Page Generation

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.4	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H	redhat
CVSS 3.1	MEDIUM 6.4	CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H	NVD · secalert@redhat.com (Secondary)
CVSS 3.1	MEDIUM 4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	NVD · nvd@nist.gov (Primary)

Advisories

GHSA-w354-2f3c-qvg9 — Keycloak vulnerable to Cross-site Scripting

European references

ENISA EUVD · EUVD-2023-1124
GCVE · GCVE-0-2022-1438

Affected configurations (NVD CPE)

cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Red Hat · Red Hat Single Sign-On 7
Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7	unaffected 0:18.0.6-1.redhat_00001.1.el7sso < *
Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8	unaffected 0:18.0.6-1.redhat_00001.1.el8sso < *
Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9	unaffected 0:18.0.6-1.redhat_00001.1.el9sso < *
Red Hat · RHEL-8 based Middleware Containers	unaffected 7.6-20 < *

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD