Multiple cross-site scripting (XSS) vulnerabilities in the Ninja Forms plugin before 2.8.9 for WordPress allow (1) remote attackers to inject arbitrary web script or HTML via the ninja_forms_field_1 parameter in a ninja_forms_ajax_submit action to wp-admin/admin-ajax.php or (2) remote administrators to inject arbitrary web script or HTML via the fields[1] parameter to wp-admin/post.php.

Unspecified vulnerability in the Ninja Forms plugin before 2.8.10 for WordPress has unknown impact and remote attack vectors related to admin users.

The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via crafted serialized values in a POST request.

Ninja Forms prior to 3.8.1 contains a cross-site scripting vulnerability in custom fields for labels. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who is accessing to the website using the product.

Ninja Forms prior to 3.8.1 contains a cross-site scripting vulnerability in submit processing. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who is accessing to the website using the product.

Cross-site request forgery (CSRF) vulnerability exists in Ninja Forms prior to 3.4.31. If a website administrator views a malicious page while logging in, unintended operations may be performed.

WordPress Ninja Forms plugin <= 3.6.25 - Contributor+ Broken Access Control vulnerability

Missing Authorization vulnerability in Saturday Drive Ninja Forms.This issue affects Ninja Forms: from n/a through 3.6.25.

Ninja Forms <= 3.5.7 Unprotected REST-API to Email Injection

The Ninja Forms WordPress plugin is vulnerable to arbitrary email sending via the trigger_email_action function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers to send arbitrary emails from the affected server via the /ninja-forms-submissions/email-action REST API which can be used to socially engineer victims.

Ninja Forms <= 3.5.7 Sensitive Information Disclosure

The Ninja Forms WordPress plugin is vulnerable to sensitive information disclosure via the bulk_export_submissions function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers to export all Ninja Forms submissions data via the /ninja-forms-submissions/export REST API which can include personally identifiable information.

WordPress Ninja Forms Plugin <= 3.6.25 is vulnerable to Cross Site Scripting (XSS)

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Saturday Drive Ninja Forms Contact Form plugin <= 3.6.25 versions.

Ninja Forms < 3.6.22 - Reflected XSS

The Ninja Forms Contact Form WordPress plugin before 3.6.22 does not properly escape user input before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

WordPress Ninja Forms plugin <= 3.8.6 - Cross Site Request Forgery (CSRF) vulnerability

Cross-Site Request Forgery (CSRF) vulnerability in Saturday Drive Ninja Forms allows Cross Site Request Forgery.This issue affects Ninja Forms: from n/a through 3.8.6.

Ninja Forms < 3.6.34 - Admin+ Stored XSS

The Ninja Forms Contact Form WordPress plugin before 3.6.34 does not sanitize and escape its label fields, which could allow high privilege users such as admin to perform Stored XSS attacks. Only users with the unfiltered_html capability can perform this, and such users are already allowed to use JS in posts/comments etc however the vendor acknowledged and fixed the issue

WordPress Ninja Forms Contact Form plugin <= 3.6.9 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Saturday Drive's Ninja Forms Contact Form plugin <= 3.6.9 at WordPress via "label".

Ninja Forms < 3.6.10 - Admin+ Stored Cross-Site Scripting via Import

The Ninja Forms Contact Form WordPress plugin before 3.6.10 does not sanitize and escape some imported data, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Ninja Forms < 3.6.10 - Admin+ Stored Cross-Site Scripting

The Ninja Forms Contact Form WordPress plugin before 3.6.10 does not sanitise and escape field labels, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Ninja Forms < 3.6.4 - Admin+ SQL Injection

The Ninja Forms Contact Form WordPress plugin before 3.6.4 does not escape keys of the fields POST parameter, which could allow high privilege users to perform SQL injections attacks

Ninja Forms < 3.4.34 - CSRF to OAuth Service Disconnection

The wp_ajax_nf_oauth_disconnect from the Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress WordPress plugin before 3.4.34 had no nonce protection making it possible for attackers to craft a request to disconnect a site's OAuth connection.

Ninja Forms < 3.4.34 - Administrator Open Redirect

In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable to open redirect due to the use of a user supplied redirect parameter and no protection in place.

Ninja Forms < 3.4.34.1 - Authenticated OAuth Connection Key Disclosure

In the Ninja Forms Contact Form WordPress plugin before 3.4.34.1, low-level users, such as subscribers, were able to trigger the action, wp_ajax_nf_oauth, and retrieve the connection url needed to establish a connection. They could also retrieve the client_id for an already established OAuth connection.