Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.

The Kentico Xperience CMS version 13.0 – 13.0.43 is vulnerable to a persistent Cross-Site Scripting (XSS) vulnerability (also known as Stored or Second-Order XSS). Persistent XSS vulnerabilities occur when the application stores and retrieves client supplied data without proper handling of dangerous content. This type of XSS vulnerability is exploited by submitting malicious script content to the application which is then retrieved and executed by other application users. The attacker could exploit this to conduct a range of attacks against users of the affected application such as session hijacking, account take over and accessing sensitive data.

The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.

A vulnerability was found in Kentico CMS up to 13.0.178. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /CMSInstall/install.aspx of the component Additional Database Installation Wizard. The manipulation of the argument new database leads to cross site scripting. The attack can be launched remotely. Upgrading to version 13.0.179 is able to address this issue. It is recommended to upgrade the affected component.

The WP Youtube Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' parameter in all versions up to, and including, 1.9 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 Files Download Delay plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fddwrap' shortcode in all versions up to, and including, 1.0.9 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 Wishlist plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wishlist_button' shortcode in all versions up to, and including, 1.0.43 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 ShMapper by Teplitsa plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'shmMap' shortcode in all versions up to, and including, 1.4.18 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 WP Dispensary plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpd_menu' shortcode in all versions up to, and including, 4.5.0 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 Clever Fox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's info box block in all versions up to, and including, 25.2.0 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 Brizy – Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's block upload in all versions up to, and including, 2.4.40 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 Embed Twine plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'embed_twine' shortcode in all versions up to, and including, 0.1.0 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 Simple Locator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 2.0.3 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.

The Slotti Ajanvaraus plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'slotti-embed-ga' shortcode in all versions up to, and including, 1.3.1 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 brodos.net Onlineshop Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'BrodosCategory' shortcode in all versions up to, and including, 2.0.2 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 Chatroll Live Chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'chatroll' shortcode in all versions up to, and including, 2.5.0 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 Coupon Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Coupon Code' parameter in all versions up to, and including, 1.2.1 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 WP AdCenter – Ad Manager & Adsense Ads plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpadcenter_ad shortcode in all versions up to, and including, 2.5.7 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 BMLT Meeting Map plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bmlt_meeting_map' shortcode in all versions up to, and including, 2.6.1 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 PDF for WPForms + Drag and Drop Template Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's yeepdf_dotab shortcode in all versions up to, and including, 4.6.0 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 Jeg Elementor Kit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via HTML Tag attributes in all versions up to, and including, 2.6.2 due to insufficient input sanitization and output escaping. 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 Jeg Elementor Kit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's image box widget in all versions up to, and including, 2.6.3 due to insufficient input sanitization and output escaping. 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 HTML5 Video Player – mp4 Video Player Plugin and Block plugin for WordPress is vulnerable to DOM-Based Stored Cross-Site Scripting via the ‘heading’ parameter in all versions up to, and including, 2.5.35 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 WP-Revive Adserver plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wprevive_async' shortcode in all versions up to, and including, 2.2.1 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 Brizy – Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Countdown URL parameter in all versions up to, and including, 2.4.40 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 HT Mega – Absolute Addons For Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocks in all versions up to, and including, 2.4.6 due to insufficient input sanitization and output escaping on the 'titleTag' 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 Ocean Extra plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's oceanwp_library shortcode in all versions up to, and including, 2.4.9 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 WP Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'booking' shortcode in all versions up to, and including, 10.9.2 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 Finale Lite – Sales Countdown Timer & Discount for WooCommerce plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the countdown timer in all versions up to, and including, 2.19.0 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 TablePress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘shortcode_debug’ parameter in all versions up to, and including, 3.2 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 140+ Widgets | Xpro Addons For Elementor – FREE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via several widgets in all versions up to, and including, 1.4.6.7 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 Email Encoder – Protect Email Addresses and Phone Numbers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 2.2.0 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 WP Smart TV plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tv-video-player' shortcode in all versions up to, and including, 2.1.8 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 Shortcodes and extra features for Phlox theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Staff widget in all versions up to, and including, 2.16.4 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 WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wp_cart_button' and 'wp_cart_display_product' shortcodes in all versions up to, and including, 5.0.7 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 Years Since – Timeless Texts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'years-since' shortcode in all versions up to, and including, 1.4.1 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 Unlimited Elements For Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Transparent Split Hero widget in all versions up to, and including, 1.5.140 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. Note: Since the widget code isn't part of the code base, to apply the patch, the affected widget: Transparent Split Hero must be deleted and reinstalled manually.

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocks in all versions up to, and including, 2.0.26 due to insufficient input sanitization and output escaping on user supplied attributes like 'className' and 'radius'. 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 Candifly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'candifly' shortcode in all versions up to, and including, 1.0.6 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 Dominion – Domain Checker for WPBakery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'dominion_shortcodes_domain_search_6' shortcode in all versions up to, and including, 2.2.2 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 Posts and Products Views for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'papvfwc_views' shortcode in all versions up to, and including, 2.1 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 Searchie plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'sio_embed_media' shortcode in all versions up to, and including, 1.17.0 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 Sina Extension for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Sina Image Differ widget in all versions up to, and including, 3.5.91 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 WooCommerce Cart Count Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'cart_button' shortcode in all versions up to, and including, 1.0.4 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 Yay! Forms | Embed Custom Forms, Surveys, and Quizzes Easily plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'yayforms' shortcode in all versions up to, and including, 1.2.1 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 Stockdio Historical Chart plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stockdio-historical-chart' shortcode in all versions up to, and including, 2.8.18 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 DICOM Support plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'dcm' shortcode in all versions up to, and including, 0.10.6 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 YOGO Booking plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'yogo-calendar' shortcode in all versions up to, and including, 1.6.2 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 Video Share VOD – Turnkey Video Site Builder Script plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'videowhisper_player_html' shortcode in all versions up to, and including, 2.6.30 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 MP3 Audio Player – Music Player, Podcast Player & Radio by Sonaar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Podcast RSS Feed in all versions up to, and including, 5.9.3 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.