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Vulnerability · Published Sep 20, 2023 · Assigned by redhat

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

Medium 6.4

In plain English

A medium-severity cross-site scripting in Red Hat Single Sign-On 7 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.7%top 48.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.keycloak:keycloak-servicesno fix listedGHSA-w354-2f3c-qvg9

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Single Sign-On 7 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 see references
Red Hat RHEL-8 based Middleware Containers see references

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

References