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CVE-2026-65049 is an incorrect authorization vulnerability in the Ninja Forms plugin for WordPress Multisite affecting version 3.14.8 and earlier. The flaw arises from a site-scoped capability check combined with unsafe multisite migration behavior in the deletion workflow exposed through an AJAX action. A subsite administrator can submit a crafted POST request to the WordPress AJAX handler using the deletion action and a valid per-site nonce, which invokes migration routines that iterate across all blogs in the multisite network via blog context switching. As a result, the routine can delete Ninja Forms data across every subsite rather than being constrained to the originating site. The vulnerable behavior includes dropping Ninja Forms database tables and clearing related options and transients throughout the network, despite the attacker lacking super-admin or network-admin privileges.
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A specific Ninja Forms vulnerability included in AISLE's public registry growth summary.
A cross-site network-wide data deletion vulnerability in the Ninja Forms WordPress plugin on WordPress Multisite via the nf_delete_all_data AJAX action.
An incorrect authorization vulnerability in the Ninja Forms plugin for WordPress Multisite that allows network-wide deletion of Ninja Forms data via a crafted admin-ajax.php request using the nf_delete_all_data action.
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Cross-references every affected SKU, including bundled OEM variants.
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