The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in PickPlugins Accordion accordions allows Stored XSS.This issue affects Accordion: from n/a through 2.2.99.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in HelpieWP Accordion & FAQ – Helpie WordPress Accordion FAQ Plugin allows Stored XSS.This issue affects Accordion & FAQ – Helpie WordPress Accordion FAQ Plugin: from n/a through 1.27.

The Accordion Image Menu WordPress plugin through 3.1.3 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack.

The XPlainer – WooCommerce Product FAQ [WooCommerce Accordion FAQ Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on several functions in all versions up to, and including, 1.6.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add new and update existing FAQs, FAQ lists, and modify FAQ associations with products.

The XPlainer – WooCommerce Product FAQ [WooCommerce Accordion FAQ Plugin] plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'ffw_activate_template' function in all versions up to, and including, 1.6.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to store cross-site scripting that will trigger when viewing the dashboard templates or accessing FAQs.

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in PickPlugins Tabs & Accordion allows Code Injection.This issue affects Tabs & Accordion: from n/a through 1.3.10.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in I Thirteen Web Solution WP Responsive Tabs horizontal vertical and accordion Tabs allows Stored XSS.This issue affects WP Responsive Tabs horizontal vertical and accordion Tabs: from n/a through 1.1.17.

The Lightweight Accordion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.5.16 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 Accordion plugin for WordPress is vulnerable to unauthorized access of data and modification of data due to a missing capability check on the 'accordions_duplicate_post_as_draft' function in all versions up to, and including, 2.2.96. This makes it possible for authenticated attackers, with contributor access and above, to duplicate arbitrary posts, allowing access to the contents of password-protected posts.