Description
It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697
Related Vulnerabilities
CVE-2019-1003037 Vulnerability in maven package org.jenkins-ci.plugins:azure-vm-agents
CVE-2022-2256 Vulnerability in maven package org.keycloak:keycloak-themes
CVE-2017-2651 Vulnerability in maven package org.jenkins-ci.plugins:mailer
CVE-2021-43570 Vulnerability in maven package com.starkbank.ellipticcurve:starkbank-ecdsa