The Slider and Carousel slider by Depicter plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the uploadFile function in all versions up to, and including, 3.1.1. This makes it possible for authenticated attackers, with contributor access or higher, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Pluginic FancyPost – Best Ultimate Post Block, Post Grid, Layouts, Carousel, Slider For Gutenberg & Elementor allows Stored XSS.This issue affects FancyPost – Best Ultimate Post Block, Post Grid, Layouts, Carousel, Slider For Gutenberg & Elementor: from n/a through 5.3.1.

The Ultimate Post Kit Addons For Elementor – (Post Grid, Post Carousel, Post Slider, Category List, Post Tabs, Timeline, Post Ticker, Tag Cloud) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter within the Social Count (Static) widget in all versions up to, and including, 3.11.7 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 plugin is vulnerable to PHP Object Injection in versions up to and including, 2.6.3 via deserialization of untrusted input in the import function via the 'shortcode' parameter. This allows authenticated attackers, with administrator-level access to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

The Carousel, Slider, Gallery by WP Carousel – Image Carousel & Photo Gallery, Post Carousel & Post Grid, Product Carousel & Product Grid for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the carousel widget in all versions up to, and including, 2.6.3 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpWax Post Grid, Slider & Carousel Ultimate allows Stored XSS.This issue affects Post Grid, Slider & Carousel Ultimate: from n/a through 1.6.6.

The Post Grid, Slider & Carousel Ultimate – with Shortcode, Gutenberg Block & Elementor Widget plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.7 via deserialization of untrusted input in the outpost_shortcode_metabox_markup function. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

The Carousel, Recent Post Slider and Banner Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'spice_post_slider' shortcode in versions up to, and including, 2.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Post Grid, Slider & Carousel Ultimate WordPress plugin before 1.5.0 does not sanitise and escape the Header Title, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.