The Contact Form Builder Plugin: Multi Step Contact Form, Payment Form, Custom Contact Form Plugin by Bit Form plugin for WordPress is vulnerable to unauthorized modification of data due to a insufficient user validation on the bitforms_update_form_entry AJAX action in all versions up to, and including, 2.10.1. This makes it possible for unauthenticated attackers to modify form submissions.

The Metform Elementor Contact Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 3.8.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.

The Contact Form builder with drag & drop for WordPress – Kali Forms plugin for WordPress is vulnerable to unauthorized access and modification of data via API due to an inconsistent capability check on several REST endpoints in all versions up to, and including, 2.3.41. This makes it possible for authenticated attackers, with contributor access and higher, to obtain access to or modify forms or entries.

The Contact Form builder with drag & drop for WordPress – Kali Forms plugin for WordPress is vulnerable to unauthorized plugin deactivation due to a missing capability check on the await_plugin_deactivation function in all versions up to, and including, 2.3.41. This makes it possible for authenticated attackers, with subscriber access or higher, to deactivate any active plugins.

The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.7.4 doesn't have authorisation and nonce checks, which could allow any authenticated users, such as subscriber to update and change various settings

The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.7.0 does not escape some of its form fields before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

The Metform Elementor Contact Form Builder plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.8.1. This is due to missing or incorrect nonce validation on the contents function. This makes it possible for unauthenticated attackers to update the options "mf_hubsopt_token", "mf_hubsopt_refresh_token", "mf_hubsopt_token_type", and "mf_hubsopt_expires_in" via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This would allow an attacker to connect their own Hubspot account to a victim site's metform to obtain leads and contacts.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in wpdevart Contact Form Builder, Contact Widget plugin <= 2.1.6 versions.

The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_first_name' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about arbitrary form submissions, including the submitter's first name.