WPForms <= 2.0.2 - Reflected Cross-Site Scripting via 'page_title' POST Parameter

The WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'page_title' POST Parameter via {page_title} Smart Tag in all versions up to, and including, 2.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. This is only exploitable on forms whose admin-authored confirmation message places the {page_title} Smart Tag inside an HTML attribute context.

WPForms Lite 1.8.8.2 - 2.0.1.1 - Unauthenticated Stripe Refund and Subscription Cancellation via External PaymentIntent

The WPForms WordPress plugin before 2.0.2 does not verify that a Stripe payment object supplied during a public form submission belongs to it before acting on it, allowing unauthenticated users to trigger a full refund and an immediate subscription cancellation against payments created by other applications on the site owner's Stripe account.

WPForms Pro <= 2.0.0.2 - Unauthenticated Stored Cross-Site Scripting via Single Line Text and Paragraph Text Field Values

The WPForms Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Single Line Text and Paragraph Text Field Values in all versions up to, and including, 2.0.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit relies on the plugin's own wp_kses_allowed_html filter widening the 'post' allowlist to permit iframe elements with a data-src attribute, which is not on WordPress's URI-attribute sanitization list, allowing a javascript: URI stored in data-src to survive kses processing and subsequently be promoted to a live src attribute by the bundled admin script view-entry.min.js.

WPForms Pro <= 1.10.1.1 - Unauthenticated Arbitrary File Write via Chunked Upload Init/Finalize Ordering

The WPForms Pro plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.10.1.1 via the ajax_chunk_upload_finalize function. This is due to the file type validation occurring after chunk metadata and file contents have already been written to disk, and the assembled file not being deleted upon validation failure. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.

WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery

The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.

WordPress PDF for WPForms Plugin <= 6.2.1 - Cross Site Scripting (XSS) Vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in add-ons.org PDF for WPForms pdf-for-wpforms allows Stored XSS.This issue affects PDF for WPForms: from n/a through <= 6.2.1.

WordPress WPForms Lite plugin <= 1.9.2.2 - Broken Access Control vulnerability

Missing Authorization vulnerability in Syed Balkhi Contact Form by WPForms wpforms-lite allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Contact Form by WPForms: from n/a through <= 1.9.2.2.

WordPress WPForms User Registration plugin <= 2.1.0 - Authenticated Privilege Escalation vulnerability

Improper Privilege Management vulnerability in WPForms, LLC. WPForms User Registration allows Privilege Escalation.This issue affects WPForms User Registration: from n/a through 2.1.0.

WPForms Lite <= 1.9.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via fieldHTML Parameter

The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘fieldHTML’ parameter in all versions up to, and including, 1.9.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WPForms – Easy Form Builder for WordPress <= 1.9.1.6 - Cross-Site Request Forgery (CSRF) to Plugin's Log Deletion

The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.9.1.6. This is due to missing or incorrect nonce validation on the process_admin_ui function. This makes it possible for unauthenticated attackers to delete WPForm logs via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

WPForms 1.7.8 - Cross-Site Scripting (XSS)

WPForms 1.7.8 contains a cross-site scripting vulnerability in the slider import search feature and tab parameter. Attackers can inject malicious scripts through the ListTable.php endpoint to execute arbitrary JavaScript in victim's browser.

WPForms < 1.9.1.6 - Admin+ Stored XSS

The WPForms WordPress plugin before 1.9.1.6 does not sanitise and escape some of its settings, which could allow high privilege users such as Admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

WPForms 1.8.4 - 1.9.2.1 - Missing Authorization to Authenticated (Subscriber+) Payment Refund and Subscription Cancellation

The WPForms plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wpforms_is_admin_page' function in versions starting from 1.8.4 up to, and including, 1.9.2.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to refund payments and cancel subscriptions.

The WPForms Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form submission parameters in all versions up to, and including, 1.8.5.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

WPForms < 1.9.2.3 - Admin+ Stored XSS

The WPForms WordPress plugin before 1.9.2.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

WPForms Pro < 1.7.7 - CSV Injection

The WPForms Pro WordPress plugin before 1.7.7 does not validate its form data when generating the exported CSV, which could lead to CSV injection.

WordPress WPForms plugins - Reflected Cross Site Scripting (XSS) vulnerability

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WPForms WPForms Lite (wpforms-lite), WPForms WPForms Pro (wpforms) plugins <= 1.8.1.2 versions.