by Kastro
Paper/Archive/CVE-2026-65049

CVE-2026-65049

Saturday Drive Ninja Forms — Ninja Forms Cross-Site Network-Wide Data Deletion on WordPress Multisite via nf_delete_all_data AJAX Action

EPSS 0.4%CVSS 9.3
critical.is priorityof 100
36
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 38.4.384 × 207.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Ninja Forms< 3.14.93.14.9CNA

Scores by source

VulnCheck (CNA)9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
VulnCheck (CNA)8.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refwordpress.org/plugins/ninja-formspatchwordpress.org/plugins/ninja-forms/changelogwriteupvulncheck.com/advisories/ninja-forms-cross-site-network-wide-data-deletion-on-wordpress-multisite-via-nf-delete-all-data-ajax-action