An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.
https://support.zabbix.com/browse/ZBX-21350
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPU4RCRYVNVM3SS523UQXE63ATCTEX5G/
Source: Mitre, NVD
Published: 2022-09-14
Updated: 2026-06-17
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.01128