PatchSiren

Meta Box CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM Meta Box CVE published 2026-08-02

CVE-2026-15248

The Meta Box WordPress plugin before 5.13.1 does not verify that a user is authorized to delete the supplied attachment before deleting it, allowing users with a low-privilege role such as Contributor to permanently delete arbitrary media attachments belonging to other users. This vulnerability affects WordPress users with low-privilege roles, such as Contributors, who may be able to delete media attachme [truncated]

CRITICAL Meta Box CVE published 2026-07-29

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 tem [truncated]