The WP Lead Plus X plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.99. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to perform administrative actions, such as adding pages to the site and/or replacing site content with malicious JavaScript via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in PluginOps Landing Page Builder allows PHP Local File Inclusion.This issue affects Landing Page Builder: from n/a through 1.5.2.0.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Web-Settler Landing Page Builder – Free Landing Page Templates allows Path Traversal.This issue affects Landing Page Builder – Free Landing Page Templates: from n/a through 3.1.9.9.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in PluginOps Landing Page Builder allows Reflected XSS.This issue affects Landing Page Builder: from n/a through 1.5.1.8.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PluginOps Landing Page Builder allows Stored XSS.This issue affects Landing Page Builder: from n/a through 1.5.1.7.

The AWeber – Free Sign Up Form and Landing Page Builder Plugin for Lead Generation and Email Newsletter Growth plugin for WordPress is vulnerable to SQL Injection via the 'post_id' parameter in all versions up to, and including, 7.3.14 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps Landing Page Builder – Lead Page – Optin Page – Squeeze Page – WordPress Landing Pages.This issue affects Landing Page Builder – Lead Page – Optin Page – Squeeze Page – WordPress Landing Pages: from n/a through 1.5.1.5.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in PluginOps Landing Page Builder plugin <= 1.5.1.2 versions.

The Landing Page Builder WordPress plugin before 1.4.9.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.