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
- Oliverfriedmann Ziggeo — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/15477c00-0764-4850-8bce-d65b6…
- plugins.trac.wordpress.org/browser/ziggeo/trunk/core/ajax.php
- plugins.trac.wordpress.org/browser/ziggeo/tags/3.1.1/core/ajax.php
- plugins.trac.wordpress.org/browser/ziggeo/trunk/admin/page_translations_ajax.php
- plugins.trac.wordpress.org/browser/ziggeo/tags/3.1.1/admin/page_translations_aj…
- plugins.trac.wordpress.org/browser/ziggeo/trunk/admin/page_editor_events_ajax.p…
- plugins.trac.wordpress.org/browser/ziggeo/tags/3.1.1/admin/page_editor_events_a…
- plugins.trac.wordpress.org/browser/ziggeo/trunk/admin/page_sdk_ajax.php
- plugins.trac.wordpress.org/browser/ziggeo/tags/3.1.1/admin/page_sdk_ajax.php
- plugins.trac.wordpress.org/browser/ziggeo/trunk/core/header.php
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.