SQL Injection in Kstover Ninja Forms – The Contact Form Builder That Grows With You

CVE-2026-15663

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to generic SQL Injection via Import File 'settings' Key in all versions up to, and including, 3.14.9 due to insufficient escaping on the user…

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15663?
CVE-2026-15663 is a medium-severity vulnerability in Kstover Ninja Forms – The Contact Form Builder That Grows With You, classified under SQL Injection. CVSS score: 4.9/10. Published 2026-07-24.
How severe is CVE-2026-15663?
Medium severity. CVSS v3 base score is 4.9 out of 10.