How severe is CVE-2022-1438?

CVE-2022-1438 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-1438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1438?

CVE-2022-1438 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-1438?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-1438 published?

CVE-2022-1438 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2022-1438

CVE-2022-1438 is a medium-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Redhat Keycloak
Published: 2023-09-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-1438?: 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.
How severe is CVE-2022-1438?: CVE-2022-1438 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-1438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1438?: CVE-2022-1438 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-1438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-1438 published?: CVE-2022-1438 was published on 2023-09-20 and last updated on 2026-06-17.

References

Affected products (1)

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

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