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CVE-2026-85677

Gutenverse News < 3.3.3 - Unauthenticated Stored XSS via Comment Content

The Gutenverse News WordPress plugin before 3.3.3 does not restrict the extra HTML it adds to WordPress's allowed elements to the context it is meant for, applying the same relaxed list to every sanitisation context including untrusted comments, allowing unauthenticated users to store JavaScript that will execute in the browser of any administrator who reviews the comment queue, and of any visitor to the post once the comment is approved.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Gutenverse News
CVE-2026-85678

AI Builder 2.4.1 - 2.7.7 - Contributor+ Stored XSS via Post JavaScript

The AI Builder WordPress plugin before 2.7.8 does not sanitise custom JavaScript saved against a post before echoing it inside a script tag on the front end, allowing users with contributor level access and above to store arbitrary JavaScript that will execute in the browser of anyone who views the post, including the editor or administrator who reviews it.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Ai Builder
CVE-2026-86780

Featured Image with URL < 1.0.6 - Contributor+ Stored XSS via Image Alt Text

The Featured Image with URL WordPress plugin before 1.0.6 does not sanitise and escape a stored image attribute value before outputting it, which could allow users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks that execute in the browser of any user viewing the affected post, including higher-privileged users such as Editors and Administrators.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Featured Image With Url
CVE-2026-83532

Custom Menu Wizard <= 3.3.1 - Contributor+ Stored XSS via Shortcode Attributes

The Custom Menu Wizard Widget WordPress plugin through 3.3.1 does not sanitize and escape several shortcode attributes before rendering them into HTML, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the affected content is viewed.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Custom Menu Wizard
CVE-2026-81742

BE REST Endpoints <= 1.0.0 - Unauthenticated Stored XSS and Widget Manipulation

The BE REST Endpoints WordPress plugin through 1.0.0 does not perform any authorization check before allowing widgets to be read, created, updated and deleted, and does not sanitize the values it stores in them, allowing unauthenticated users to inject arbitrary web scripts which will execute in the browser of any user visiting the site.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Be Rest Endpoints
CVE-2026-82847

Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights

The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Masteriyo Lms
CVE-2026-86790

WP Highlight Box <= 1.0 - Contributor+ Stored XSS via highlight-box Shortcode

The WP Highlight Box WordPress plugin through 1.0 does not escape some shortcode attributes before outputting them in a page where the shortcode is embedded, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Wp Highlight Box
CVE-2026-87888

YayPricing < 3.5.7 - Subscriber+ Stored XSS via save_page_data REST Route

The YayPricing WordPress plugin before 3.5.7 does not perform an authorization check on a REST route that saves its pricing rules, allowing users with the subscriber role and above to store JavaScript that executes in the browser of an administrator who opens the YayPricing WordPress plugin before 3.5.7's settings page.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Yaypricing
CVE-2026-85129

Hoo Companion 1.0.2 - Unauthenticated Stored XSS via Theme Settings Import

The Hoo Companion WordPress plugin 1.0.2 does not have any authorisation or validation checks in one of its import features, and does not sanitise the data submitted to it before storing it as the active theme's settings, allowing unauthenticated attackers to inject arbitrary web scripts which will execute for anyone viewing the site, including administrators. The same request destroys the site's existing theme settings.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Hoo Companion
CVE-2026-88793

YouTube Embed 10.0 - 10.3 - Unauthenticated Stored XSS via youram_server

The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX actions, relying only on a nonce it prints on every front-end page, and does not escape the stored data before rendering it, allowing unauthenticated attackers to store arbitrary web scripts which will execute in the session of any user viewing the affected content, including an administrator.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Youtube Embed
CVE-2026-15402

Eventin <= 4.1.23 - Authenticated (Custom+) Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter

The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'etn_shedule_objective' schedule_slot Parameter in all versions up to, and including, 4.1.23 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.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Arraytics Wordpress-extensions
Products
Eventin Eventin
CVE-2026-87793

Reflected XSS in WordPress theme design-scuole-wordpress-theme

The "Design Scuole Italia" WordPress theme is affected by a Reflected XSS vulnerability in the filters-scheda-didattica.php file, allowing an unauthenticated attacker to execute arbitrary JavaScript in a victim's browser via a crafted URL containing a malicious archive parameter.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Developers Italia Wordpress-extensions
Products
Design-scuole-wordpress-theme Design-scuole-wordpress-theme
CVE-2026-76558

WP Import Export Lite < 3.9.33 - Contributor+ Stored DOM XSS via Custom Field Names

The WP Import Export Lite WordPress plugin before 3.9.33 does not escape custom field names retrieved from the database before inserting them into the DOM of one of its administration screens, allowing users with a role as low as contributor to perform Stored XSS attacks which will trigger in the browser of a high privileged user, such as an administrator, viewing that screen.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Wp Import Export Lite
CVE-2026-84088

Xpro Elementor Addons < 1.7.9 - Contributor+ Stored XSS via Interactive Circle Widget

The Xpro Addons — 140+ Widgets for Elementor WordPress plugin before 1.7.9 does not validate or sanitize a widget link setting before storing and using it in a JavaScript navigation call, allowing users with the contributor role and above to inject and store JavaScript that executes in the browser of anyone who interacts with the affected widget.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Xpro Elementor Addons
CVE-2026-86784

Visualizer < 4.0.8 - Contributor+ Stored XSS via JSON Data Source

The Visualizer WordPress plugin before 4.0.8 does not sanitise and escape a chart's JSON data source configuration before outputting it back in the chart editor, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any higher-privileged user, such as an administrator, who reviews the affected chart.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Wordpress-extensions
Products
Visualizer
CVE-2026-125455

WordPress Bold Page Builder plugin <= 5.9.11 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bold Themes Bold Page Builder bold-page-builder allows Stored XSS.This issue affects Bold Page Builder: from n/a through 5.9.11.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Bold-themes Wordpress-extensions
Products
Bold Page Builder Bold Page Builder
CVE-2026-125340

Winter CMS: Reflected XSS through the search query parameter in the backend Table widget

Winter CMS is a content management system built on the Laravel PHP framework. From 1.0.420 until 1.2.14, the backend Table widget partial modules/backend/widgets/table/partials/_table.php emits the search query parameter without HTML encoding inside a script template. A script-closing sequence in a crafted top-level GET URL terminates the raw-text template and causes the remaining input to be parsed as backend markup, even when the widget uses searching: false. Any Table or DataTable page is a sink, including the core Editor Settings route /backend/system/settings/update/winter/backend/editor, and an unauthenticated attacker can induce an authorized backend user to follow the link. Script executing in the victim's backend origin can read the CSRF token and issue credentialed requests with that user's permissions. For the core sink, a victim with backend.manage_editor, normally a Developer-role user or superuser, can edit CMS templates, so the injected script can conditionally chain to server-side code execution; this does not grant permissions the victim lacks and does not apply automatically to every third-party plugin sink. This issue is fixed in version 1.2.14.

CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed
Vendors
Wintercms
Products
Winter
CVE-2026-126063

Nokogiri: Mutation XSS through `noscript` content in Nokogiri's HTML5 serializer

Nokogiri is an open source XML and HTML library for the Ruby programming language. From 1.12.0 until 1.19.5, the C extension on CRuby and TruffleRuby has a Nokogiri::HTML5 serializer that does not escape text inside noscript elements or angle brackets inside attribute values. When an application sanitizes untrusted HTML with the default parsing options, allows noscript, and sends serialized output to a scripting-enabled browser, the browser can parse markup that Nokogiri did not produce, enabling mutation cross-site scripting. Using parse_noscript_content_as_text: true is the recommended workaround, not the vulnerable default. JRuby is not affected because it does not implement Nokogiri::HTML5. This issue is fixed in version 1.19.5.

CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Sparklemotion
Products
Nokogiri
CVE-2026-126069

Action View: Possible XSS vulnerability in Action View tag helpers

Action View is a framework for handling view template lookup and rendering and provides view helpers for building HTML. Prior to 8.1.4.1 and 8.0.5.2, the fix for CVE-2026-33168 skips blank HTML attribute names in Action View tag helpers, but it tests the name before converting it to a string. A Symbol name made only of whitespace, such as :" ", is not blank, because Symbol#blank? is Symbol#empty?, so it reaches the attribute escaping, which emits an attribute with no name and produces malformed HTML. The asset tag helpers, such as image_tag, video_tag and audio_tag, symbolize their options, so a whitespace String name passed to them takes the same path. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attribute names are affected. This issue is fixed in versions 8.1.4.1 and 8.0.5.2.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Rails
Products
Rails
CVE-2026-126075

Active Support: Possible XSS vulnerability in Active Support MessagePack serializer

Active Support is a collection of utility classes and standard library extensions used by Rails and other Ruby projects. From 8.1 until 8.1.4.1, ActiveSupport::MessagePack serializes an ActiveSupport::SafeBuffer as its bytes alone and deserializes it as a new SafeBuffer, so a buffer that is no longer html_safe? (for example, one mutated in place with gsub!) is restored as html_safe. If such a buffer holds untrusted input and is stored through a MessagePack serializer, rendering it after it is loaded bypasses ERB auto-escaping, possibly leading to XSS. Applications on Rails 8.1 are affected if they use a MessagePack serializer, such as config.action_dispatch.cookies_serializer = :message_pack or :message_pack_allow_marshal, or serializer: :message_pack for Rails.cache, ActiveSupport::MessageVerifier or ActiveSupport::MessageEncryptor, and store a SafeBuffer that was mutated in place with untrusted input. Rails 8.0 and earlier do not serialize SafeBuffer with MessagePack and are not affected. This issue is fixed in version 8.1.4.1.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Rails
Products
Rails