Keycloak: xss on impersonation under specific circumstances
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.4epss 0.7%
exploitation probability
0.7%top 50% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
Red Hat · Red Hat Single Sign-On 7Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9Red Hat · RHEL-8 based Middleware ContainersReferences
https://access.redhat.com/errata/RHSA-2023:1043https://access.redhat.com/errata/RHSA-2023:1044https://access.redhat.com/errata/RHSA-2023:1045https://access.redhat.com/errata/RHSA-2023:1047https://access.redhat.com/errata/RHSA-2023:1049https://access.redhat.com/security/cve/CVE-2022-1438https://bugzilla.redhat.com/show_bug.cgi?id=2031904