The Hash Form – Drag & Drop Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'file_upload_action' function in all versions up to, and including, 1.1.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

The Hash Elements plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'url' parameter within multiple widgets in all versions up to, and including, 1.3.8 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in HashThemes Hash Elements allows Stored XSS.This issue affects Hash Elements: from n/a through 1.3.3.

Missing Authorization vulnerability in HashThemes Viral News, HashThemes Viral, HashThemes HashOne.This issue affects Viral News: from n/a through 1.4.5; Viral: from n/a through 1.8.0; HashOne: from n/a through 1.3.0.

The Total theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the total_order_sections() function in all versions up to, and including, 2.1.59. This makes it possible for authenticated attackers, with subscriber-level access and above, to repeat sections on the homepage.

The Hashthemes Demo Importer Plugin <= 1.1.1 for WordPress contained several AJAX functions which relied on a nonce which was visible to all logged-in users for access control, allowing them to execute a function that truncated nearly all database tables and removed the contents of wp-content/uploads.