The The Request a Quote for WooCommerce and Elementor – Get a Quote Button – Product Enquiry Form Popup – Product Quotation plugin for WordPress is vulnerable to arbitrary shortcode execution via fire_contact_form AJAX action in all versions up to, and including, 1.4. 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 possible for unauthenticated attackers to execute arbitrary shortcodes.

The Get Quote For Woocommerce – Request A Quote For Woocommerce plugin for WordPress is vulnerable to unauthorized access of Quote data due to a missing capability check on the ct_tepfw_wp_loaded function in all versions up to, and including, 1.0.0. This makes it possible for unauthenticated attackers to download Quote PDF and CSV documents.

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.

The Request a Quote WordPress plugin before 2.4.1 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)

The Request a Quote WordPress plugin through 2.3.7 does not validate uploaded CSV files, allowing unauthenticated users to attach a malicious CSV file to a quote, which could lead to a CSV injection once an admin download and open it

The Request a Quote WordPress plugin before 2.3.9 does not sanitise and escape some of its settings, allowing high privilege users such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

The Request a Quote WordPress plugin before 2.3.9 does not sanitise, validate or escape some of its settings in the admin dashboard, leading to authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

The Request a Quote WordPress plugin before 2.3.4 did not sanitise and escape some of its quote fields when adding/editing a quote as admin, leading to Stored Cross-Site scripting issues when the quote is output in the 'All Quotes" table.

plugin-fw/lib/yit-plugin-panel-wc.php in the YIT Plugin Framework through 3.3.8 for WordPress allows authenticated options changes.