plugin
25 known security issues reported for the Lead Form Builder WordPress plugin. Most recent disclosed Mar 23, 2026.
Running Lead Form Builder on your site? Check whether your installed version is affected.
Scan your site freeThe Lead Form Builder & Contact Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.0.1 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 whene...
Unauthenticated Stored Cross-Site Scripting vulnerability
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.0.1 via form field submissions. This is due to insufficient input sanitization in the lfb_lead_sanitize() function which omits certain field types from i...
[en] Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in ThemeHunk Contact Form & Lead Form Elementor Builder lead-form-builder allows Retrieve Embedded Sensitive Data.This issue affects Contact Form & Lead Form Elementor Builder: from n/a through <= 2.0.1.
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.0.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract sensitive user or configuration data.
[en] The Responsive Contact Form Builder & Lead Generation Plugin WordPress plugin before 1.9.8 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 mu...
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator...
[en] The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.9.1. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This mak...
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.9.1. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it...
[en] The Responsive Contact Form Builder & Lead Generation Plugin WordPress plugin through 1.8.9 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 m...
[en] The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.9. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to invoke those...
[en] The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to unauthorized access to functionality due to a missing capability check on several functions in all versions up to, and including, 1.8.9. This makes it possible for unauthenticated attackers to invoke those functions.
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator...
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to unauthorized access to functionality due to a missing capability check on several functions in all versions up to, and including, 1.8.9. This makes it possible for unauthenticated attackers to invoke those functions.
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.8.9. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to invoke those funct...
[en] 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
[en] 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
Multiple Plugins By ThemeHunk are vulnerable to unauthorized plugin setting modification due to a missing capability check on the settings_init function in various versions. This makes it possible for unauthenticated attackers to reset plugin settings.
The Contact Form & Lead Form Elementor Builder plugin for WordPress is vulnerable to Arbitrary Settings Change in versions before 1.7.4. This is due to missing capabilities checks on several functions. This makes it possible for authenticated attackers with subscriber-level privileges or above to arbitrarily change plu...
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to 1.7.0 (exclusive) due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-lev...
[en] The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.6.4 does not sanitise and escape some lead values, which could allow unauthenticated users to perform Cross-Site Scripting attacks against logged in admin viewing the inserted Leads
Arbitrary Lead Deletion vulnerability discovered by WPScanTeam in WordPress Contact Form & Lead Form Elementor Builder plugin (versions <= 1.6.7).
The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.6.4 does not sanitise and escape some lead values, which could allow unauthenticated users to perform Cross-Site Scripting attacks against logged in admin viewing the inserted Leads
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
The plugin does not have capability and CSRF checks in the delete_leads_backend AJAX action, available to any authenticated users. As a result, users with a role as low as subscriber could delete arbitrary Leads. Attackers could also make any logged in users delete leads via a CSRF attack
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