EUVD-2026-20842
GHSA-8w6x-cfx6-w753
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Lifecycle Timeline
3Description
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_user_can(). Furthermore, the nonce ('ziggeo_ajax_nonce') is exposed to all logged-in users on every page via the wp_head and admin_head hooks . This makes it possible for authenticated attackers, with Subscriber-level access and above, to invoke multiple administrative operations including: saving arbitrary translation strings (translations_panel_save_strings via update_option('ziggeo_translations')), creating/updating/deleting event templates (event_editor_save_template/update_template/remove_template via update_option('ziggeo_events')), modifying SDK application settings (sdk_applications operations), and managing notifications (notification_handler via update_option('ziggeo_notifications')).
Analysis
Ziggeo plugin for WordPress up to version 3.1.1 allows authenticated attackers with Subscriber-level access or above to perform unauthorized administrative operations including modifying translations, creating or deleting event templates, changing SDK settings, and managing notifications through missing capability checks in AJAX handlers. While nonce validation is present, the absence of current_user_can() checks combined with nonce exposure to all logged-in users enables privilege escalation from basic subscribers to near-administrative functionality. …
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