Fedora Account System
Red Hat Associate
Red Hat Customer
Zabbix before 2.2.21rc1, 3.x before 3.0.13rc1, 3.1.x and 3.2.x before 3.2.10rc1, and 3.3.x and 3.4.x before 3.4.4rc1 allows open redirect via the request parameter. References: https://support.zabbix.com/browse/ZBX-10272 https://support.zabbix.com/browse/ZBX-13133
This is an old vulnerability that was fixed quite a while ago.