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Threat Entry
Updated 2026-10-06
Meta Box Aio - Security Vulnerability (CVE-2026-39761)
Unauthenticated Privilege Escalation in Meta Box AIO
PLUGIN
Meta Box Aio
CVE-2026-39761
Risk Score
Threat Entry
Updated 2026-09-22
Meta Box AIO - Security Vulnerability (CVE-2026-13355)
The Meta Box AIO plugin for WordPress is vulnerable to Privilege Escalation to Administrator in versions up to, and including, 3.11.0. This is due to a chained flaw: the populate_via_query_string() function in the mb-frontend-submission component unconditionally overrides the form's target object_id from the GET parameter 'rwmb_frontend_field_object_id' without any authorization check, and Form::process() lacks the user_can_edit() check present in render(), allowing unauthenticated attackers to overwrite the post_content of any page with an arbitrary shortcode via wp_update_post(); the mb-user-profile component then directly trusts the 'role' and 'auto_login' shortcode attributes in the injected…
PLUGIN
Meta Box AIO
CVE-2026-13355
Risk Score
Threat Entry
Updated 2026-07-30
Meta Box AIO - Broken Access Control (CVE-2026-14488)
The Meta Box AIO plugin for WordPress is vulnerable to Missing Authorization via the template_redirect dispatcher in the MB Frontend Submission extension in versions up to, and including, 3.8.0. This is due to the handle_request() function routing the mbfs_delete action without any capability or ownership check, and the nonce verification in check_ajax() being gated behind is_ajax() which is false for template_redirect requests, making it bypassable. This makes it possible for unauthenticated attackers to delete arbitrary posts and pages by supplying an attacker-controlled post ID via the rwmb_frontend_field_object_id GET parameter on…
PLUGIN
Meta Box AIO
CVE-2026-14488
Risk Score