The FooGallery plugin 1.8.12 for WordPress allow XSS via the post_title parameter.

In the Best Image Gallery & Responsive Photo Gallery – FooGallery WordPress plugin before 2.0.35, the Custom CSS field of each gallery is not properly sanitised or validated before being being output in the page where the gallery is embed, leading to a stored Cross-Site Scripting issue.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in FooPlugins FooGallery plugin <= 2.2.35 versions.

Cross-Site Request Forgery (CSRF) vulnerability in FooPlugins Best WordPress Gallery Plugin – FooGallery plugin <= 2.2.44 versions.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in FooPlugins FooGallery plugin <= 2.2.44 versions.

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom attributes in all versions up to, and including, 2.3.3 due to insufficient input sanitization and output escaping. This makes it possible for contributors and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.4.26. This makes it possible for authenticated attackers, with contributor level or higher to read the contents of arbitrary folders on the server, which can contain sensitive information such as folder structure.

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.4.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the foogallery_attachment_modal_save action in all versions up to, and including, 2.4.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Best WordPress Gallery Plugin – FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via album gallery custom URLs in all versions up to, and including, 2.4.15 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 FooGallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image attachment fields (such as 'Title', 'Alt Text', 'Custom URL', 'Custom Class', and 'Override Type') in all versions up to, and including, 2.4.14 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The FooGallery WordPress plugin before 2.4.15, foogallery-premium WordPress plugin before 2.4.15 does not validate and escape some of its Gallery settings before outputting them back in the page, which could allow users with a role as low as Author to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin

The Lightbox & Modal Popup WordPress Plugin WordPress plugin before 2.7.28, foobox-image-lightbox-premium WordPress plugin before 2.7.28 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 Lightbox & Modal Popup WordPress Plugin – FooBox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via image alternative texts in all versions up to, and including, 2.7.34 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The FooGallery – Responsive Photo Gallery, Image Viewer, Justified, Masonry & Carousel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `data-caption-title` & `data-caption-description` HTML attributes in all versions up to, and including, 2.4.31 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.