What is CVE-2023-32721?

CVE-2023-32721 is a high-severity vulnerability in Zabbix, classified under Improper Input Validation. CVSS score: 7.6/10. Published 2023-10-12.

How severe is CVE-2023-32721?

High severity. CVSS v3 base score is 7.6 out of 10.

Is CVE-2023-32721 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Zabbix

CVE-2023-32721

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Zabbix — versions 6.4.0, 6.0.0, 7.0.0alpha1

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2023-32721?: CVE-2023-32721 is a high-severity vulnerability in Zabbix, classified under Improper Input Validation. CVSS score: 7.6/10. Published 2023-10-12.
How severe is CVE-2023-32721?: High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2023-32721 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.