Search Guard Kibana Plugin versions before 5.6.8-7 and before 6.x.y-12 had an issue that an attacker can redirect the user to a potentially malicious site upon Kibana login.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "5.6.8-7"
},
{
"introduced": "6.1.0-8"
},
{
"fixed": "6.2.3-12"
}
]
}