The Event RSVP and Simple Event Management Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.1.0 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.

The Simple Contact Form Plugin for WordPress – WP Easy Contact plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.0.0 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.

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 YouTube Video Gallery by YouTube Showcase – Video Gallery Plugin for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the emd_form_builder_lite_submit_form function in all versions up to, and including, 3.3.6. This makes it possible for unauthenticated attackers to create arbitrary posts or pages.

Cross-Site Request Forgery (CSRF) vulnerability in eMarket Design YouTube Video Gallery by YouTube Showcase plugin <= 3.3.5 versions.

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 Best Contact Management Software WordPress plugin through 3.7.3 does not sanitise and escape 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 Customer Service Software & Support Ticket System WordPress plugin before 5.10.4 does not sanitize or escape form fields before outputting it in the List, which could allow high privilege users to perform Cross-Site Scripting attacks 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.