GitHub Advisoryadvisory · Maven

GHSA-q6w2-89hq-hq27 keycloak Self Stored Cross-site Scripting vulnerability

CRITICAL Published 2021-06-08 Modified 2022-08-11 Official page ↗
Aliases
CVE-2021-20195
Ecosystem
Maven
Packages
org.keycloak:keycloak-core
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses
CWE-116, CWE-20, CWE-79
Reviewed
2021-06-01

Affected packages

• Maven org.keycloak:keycloak-core: < 13.0.0 → fixed in 13.0.0

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.

Related

Alias · CVE (1)

  • CVE-2021-20195 A flaw was found in keycloak in versions before 13.0.0. vulnerability

Weakness · CWE (3)

  • CWE-116 Improper Encoding or Escaping of Output weakness
  • CWE-20 Improper Input Validation weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References