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Vulnerabilities and Security Researches

Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress, CVE-2026-65049

CVE, Research URL

CVE-2026-65049

Published on
Jul 21, 2026
Research Description
Ninja Forms plugin version 3.14.8 and prior for WordPress Multisite contains an incorrect authorization vulnerability that allows a subsite Administrator to trigger network-wide deletion of all Ninja Forms data by exploiting a site-scoped capability check combined with unsafe multisite migration defaults. Attackers can send a crafted POST request to the admin-ajax.php endpoint with the nf_delete_all_data action and a per-site nonce to invoke migration routines that unconditionally iterate all blogs via switch_to_blog(), dropping all nf3_* tables and clearing options and transients across every subsite in the network without requiring super-admin or network-admin privileges.
Affected versions
max 3.14.8.
Status
vulnerable