CVE-2026-15663 Ninja Forms <= 3.14.9 - Authenticated (Administrator+) SQL Injection via Import File 'settings' Key
Authenticated administrators can exploit SQL injection in Ninja Forms import files to extract sensitive database information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15663?
CVE-2026-15663 is a medium-severity SQL injection vulnerability in kstover Ninja Forms – The Contact Form Builder That Grows With You, published on 24 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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 supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The vulnerable keys originate from the 'settings' object in an attacker-controlled import file processed via file_get_contents() or base64-decoded/JSON-decoded blobs, bypassing wp_magic_quotes protections entirely; two distinct sinks are affected — _save_setting() in Model.php and insert_form_meta() in ImportForm.php — as only the value side is escaped while the key side receives no sanitization or parameterization at any point in the call chain.
Weakness: CWE-89
Which versions are affected by CVE-2026-15663?
How do I fix CVE-2026-15663?
No fix has been published for CVE-2026-15663 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-15663 being exploited?
There is no known exploitation of CVE-2026-15663 in the wild and no public exploit code.
Sources
Also known as GHSA-fw5x-pjxq-6272.