CVE-2026-65048
The Ninja Forms plugin for WordPress versions 3.10.4 through 3.14.9 contains a stored cross‑site scripting (XSS) flaw in its Repeatable Fieldset feature. An attacker can submit a form with malicious script that will execute in an administrator’s browser when viewing submissions, enabling cookie theft, account creation, plugin installation, and site content changes.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
WordPress sites that use Ninja Forms plugin versions 3.10.4 to 3.14.9 and have the Repeatable Fieldset feature enabled.
Real-world impact
An attacker can run arbitrary scripts in an administrator’s browser, steal session cookies, create new administrator accounts, install malicious plugins, and modify site content.
Why this severity
The CVSS score of 9.3 reflects that the vulnerability is exploitable remotely without authentication, allows an attacker to execute scripts in the context of an administrator, and can lead to full site compromise.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources