CVE-2023-29455: Zabbix Frontend

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Reflected XSS attacks, also known as non-persistent attacks, occur when a malicious script is reflected off a web application to the victim's browser. The script is activated through a link, which sends a request to a website with a vulnerability that enables execution of malicious scripts.

Affected products

• Zabbix Frontend: from 4.0.0, up to and including 4.0.45; from 5.0.0, up to and including 5.0.33

Published 2023-07-13. Last modified 2026-06-17.