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.
{
"nvd_published_at": "2020-11-17T02:15:00Z",
"cwe_ids": [
"CWE-79"
],
"severity": "MODERATE",
"github_reviewed": true,
"github_reviewed_at": "2021-04-01T19:41:54Z"
}