The GS Logo Slider WordPress plugin before 3.3.8 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 Logo Slider WordPress plugin through 1.4.8 does not sanitise and escape the lsp_slider_id parameter before using it in a SQL statement via the Manage Slider Images admin page, leading to an SQL Injection

The Logo Showcase with Slick Slider WordPress plugin before 2.0.1 does not have CSRF check in the lswss_save_attachment_data AJAX action, allowing attackers to make a logged in high privilege user, change title, description, alt text, and URL of arbitrary uploaded media.

The Logo Showcase with Slick Slider WordPress plugin before 1.2.5 does not have CSRF and authorisation checks in the lswss_save_attachment_data AJAX action, allowing any authenticated users, such as Subscriber, to change title, description, alt text, and URL of arbitrary uploaded media.

Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

The Logo Showcase with Slick Slider WordPress plugin before 1.2.4 does not sanitise the Grid Settings, which could allow users with a role as low as Author to perform stored Cross-Site Scripting attacks via post metadata of Grid logo showcase.

The Logo Slider and Showcase WordPress plugin before 1.3.37 allows Editor users to update the plugin's settings via the rtWLSSettings AJAX action because it uses a nonce for authorisation instead of a capability check.