The Easy Accordion WordPress plugin before 2.0.22 does not properly sanitize inputs when adding new items to an accordion.

The Carousel, Slider, Gallery by WP Carousel WordPress plugin before 2.5.3 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.

The Easy Accordion WordPress plugin before 2.2.0 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.

The Carousel, Slider, Gallery by WP Carousel WordPress plugin before 2.7.4 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 Easy Accordion – Best Accordion FAQ Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'accordion_content_source' attribute in all versions up to, and including, 2.3.4 due to insufficient input sanitization and output escaping. 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 Carousel, Slider, Gallery by WP Carousel WordPress plugin before 2.6.9 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)