VULNERABILITY INTELLIGENCE

CVE-2021-20195

CVSS score9.6 CRITICAL
EPSS probability1.25%
CISA KEVNot currently listed
Published2021-05-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Weakness classification

  • secalert@redhat.com: CWE-20
  • nvd@nist.gov: CWE-116

Primary references