An issue was discovered in the Accordion plugin before 2.2.9 for WordPress. The unprotected AJAX wp_ajax_accordions_ajax_import_json action allowed any authenticated user with Subscriber or higher permissions the ability to import a new accordion and inject malicious JavaScript as part of the accordion.

Stored Cross-Site Scripting (XSS) vulnerabilities in the Post Grid plugin before 2.0.73 for WordPress allow remote authenticated attackers to import layouts including JavaScript supplied via a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to post_grid_import_xml_layouts.

Stored Cross-Site Scripting (XSS) vulnerabilities in the Team Showcase plugin before 1.22.16 for WordPress allow remote authenticated attackers to import layouts including JavaScript supplied via a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to team_import_xml_layouts.

PHP Object injection vulnerabilities in the Post Grid plugin before 2.0.73 for WordPress allow remote authenticated attackers to inject arbitrary PHP objects due to insecure unserialization of data supplied in a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to post_grid_import_xml_layouts.

PHP Object injection vulnerabilities in the Team Showcase plugin before 1.22.16 for WordPress allow remote authenticated attackers to inject arbitrary PHP objects due to insecure unserialization of data supplied in a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to team_import_xml_layouts.

The tab GET parameter of the settings page is not sanitised or escaped when being output back in an HTML attribute, leading to a reflected XSS issue.

The slider import search feature of the PickPlugins Product Slider for WooCommerce WordPress plugin before 1.13.22 did not properly sanitised the keyword GET parameter, leading to reflected Cross-Site Scripting issue

The slider import search feature and tab parameter of the Post Grid WordPress plugin before 2.1.8 settings are not properly sanitised before being output back in the pages, leading to Reflected Cross-Site Scripting issues

The Post Grid WordPress plugin before 2.1.16 does not escape the keyword parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting in pages containing a Post Grid with a search form

The Post Grid plugin for WordPress is vulnerable to blind SQL Injection via post metadata in versions up to, and including, 2.1.12 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with contributor-level permissions and above to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The Post Grid WordPress plugin before 2.1.16 does not sanitise and escape the post_types parameter before outputting it back in the response of the post_grid_update_taxonomies_terms_by_posttypes AJAX action, available to any authenticated users, leading to a Reflected Cross-Site Scripting

The User Verification WordPress plugin before 1.0.94 was affected by an Auth Bypass security vulnerability. To bypass authentication, we only need to know the user’s username. Depending on whose username we know, which can be easily queried because it is usually public data, we may even be given an administrative role on the website.

The Breadcrumb WordPress plugin before 1.5.33 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 Product Slider for WooCommerce by PickPlugins WordPress plugin before 1.13.42 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in PickPlugins Post Grid Combo – 36+ Gutenberg Blocks.This issue affects Post Grid Combo – 36+ Gutenberg Blocks: from n/a through 2.2.50.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PickPlugins Related Post allows Stored XSS.This issue affects Related Post: from n/a through 2.0.53.

The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom JS parameter in all versions up to, and including, 2.2.64 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access or higher to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Post Grid Combo – 36+ Gutenberg Blocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.2.68 via the 'get_posts' REST API Endpoint. This makes it possible for unauthenticated attackers to extract sensitive data including full draft posts and password protected posts, as well as the password for password-protected posts.

The Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel WordPress plugin before 2.2.76 does not have proper authorization, resulting in password protected posts to be displayed in the result of some unauthenticated AJAX actions, allowing unauthenticated users to read such posts

The Post Grid, Slider & Carousel Ultimate – with Shortcode, Gutenberg Block & Elementor Widget plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.6.10 via the 'theme' attribute of the `pgcu` shortcode. This makes it possible for authenticated attackers, with Contributor-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where php files can be uploaded and included.

The Pricing Table by PickPlugins plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Button Link in all versions up to, and including, 1.12.10 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 Post Grid and Gutenberg Blocks – ComboBlocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.3.6 via the /wp-json/post-grid/v2/get_users REST API This makes it possible for unauthenticated attackers to extract sensitive data including including emails and other user data.

The Post Grid and Gutenberg Blocks – ComboBlocks plugin for WordPress is vulnerable to unauthorized order creation in all versions up to, and including, 2.3.5. This is due to insufficient verification on form fields. This makes it possible for unauthenticated attackers to create new orders for products and mark them as paid without actually completing a payment.

The Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel – Combo Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tag' attribute in blocks in all versions up to, and including, 2.2.80 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 Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel – Combo Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' attribute of the menu-wrap-item block in all versions up to, and including, 2.2.80 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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PickPlugins Team Showcase team allows Reflected XSS.This issue affects Team Showcase: from n/a through <= 1.22.25.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PickPlugins Product Slider for WooCommerce woocommerce-products-slider allows Reflected XSS.This issue affects Product Slider for WooCommerce: from n/a through <= 1.13.50.

The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the redirectURL parameter of the Date Countdown widget, in all versions up to, and including, 2.2.85 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 Post Grid, Posts Slider, Posts Carousel, Post Filter, Post Masonry WordPress plugin before 2.2.93 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.