CVE-2023-32721 Stored XSS in Maps element

High 7.6 Published 12 Oct 2023 Updated 3 Nov 2025

Attackers can inject malicious scripts via the Maps URL field in Zabbix, potentially leading to session hijacking or code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2023-32721?

CVE-2023-32721 is a high-severity cross-site scripting vulnerability in Zabbix Zabbix, published on 12 Oct 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored XSS has been found in the Zabbix web application in the Maps element if a URL field is set with spaces before URL.

Weakness: CWE-79, CWE-20

Which versions are affected by CVE-2023-32721?

It affects 1 product.

Products include Zabbix Zabbix.

How do I fix CVE-2023-32721?

Apply the vendor's patch.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-32721 being exploited?

There is no known exploitation of CVE-2023-32721 in the wild and no public exploit code.

All Zabbix Zabbix vulnerabilities

Sources

Also known as DEBIAN-CVE-2023-32721, GHSA-9gfh-wppm-mm59, UBUNTU-CVE-2023-32721.