Auth bypass in Oliverfriedmann Ziggeo

CVE-2026-4124

The Ziggeo plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 3.1.1. The wp_ajax_ziggeo_ajax handler only verifies a nonce (check_ajax_referer) but performs no capability checks via current_u…

Vulnerability class: Broken Access Control

EPSS: 0.001 (21.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-4124?
CVE-2026-4124 is a medium-severity vulnerability in Oliverfriedmann Ziggeo, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-04-09.
How severe is CVE-2026-4124?
Medium severity. CVSS v3 base score is 5.4 out of 10.