Description
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=1847428
Related Vulnerabilities
CVE-2017-15288 Vulnerability in maven package org.scala-lang:scala-compiler
CVE-2020-10199 Vulnerability in maven package org.sonatype.nexus:nexus-extdirect
CVE-2019-1003049 Vulnerability in maven package org.jenkins-ci.main:jenkins-core
CVE-2017-16014 Vulnerability in npm package http-proxy
CVE-2020-35451 Vulnerability in maven package org.apache.oozie:oozie-tools