EUVD-2026-35496

md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injecte...

CVE-2026-39107

A Cross Site Scripting vulnerability exists in the Kimi AI v1.0 web interface's 'Preview' feature. The application fails to properly sanitize or encode HTML/JavaScript payloads generated by the AI model. When a user switches to the 'Preview' tab to view AI-generated code, the malicious payload is...

CVE-2026-7182

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-41552

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Path Traversal due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated PDF. This issue was fixed in PDF...

Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042

This module provides spam protection using the CleanTalk cloud service. The module doesn't sufficiently sanitize API response messages before rendering them in HTML output. The cleantalkdie and ctdie functions output the CleanTalk API response message directly into HTML without proper sanitizatio...

CVE-2026-9818

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EUVD-2026-32750

The Shariff Wrapper plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headline' parameter in the shariff shortcode in all versions up to, and including, 4.6.20 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,...

PT-2026-44369

Roundcube's HTML sanitization path for message rendering allows loopback, localhost, RFC1918, link-local, and ULA URLs even when remote content loading is disabled. A remote attacker can send an HTML email that causes the victim's browser to issue requests to local or private-network services...

Cross-site Scripting (XSS)

Overview symfony/symfony is a PHP framework for web applications and a set of reusable PHP components. Affected versions of this package are vulnerable to Cross-site Scripting XSS via HtmlSanitizer due to improper sanitization of URL attributes on object, applet, iframe, img and meta refresh. By...

GHSA-2QV6-9WX5-CWV4 LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

Summary The striphtml filter in liquidjs is intended to remove HTML tags from a string before rendering, and is widely used as an XSS sanitizer. The implementation uses a regex whose catch-all branch does not match line terminators, so any HTML tag containing a \n or \r character passes through...

UBUNTU-CVE-2026-48848

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets CSS injection via an SVG document that has an animate element with the attributeName attribute...

CVE-2026-48848

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets CSS injection via an SVG document that has an animate element with the attributeName attribute...

CVE-2026-48848

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets CSS injection via an SVG document that has an animate element with the attributeName attribute...

EUVD-2026-31727

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets CSS injection via an SVG document that has an animate element with the attributeName attribute...

Astra Linux - уязвимость в ruby-rails-html-sanitizer

Rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, certain configurations of Rails::Html::Sanitizer could potentially introduce XSS vulnerabilities. An attacker could inject content if the application developer overrides the sanitizer’...

CVE-2026-41552

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Path Traversal due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated PDF. This issue was fixed in PDF...

CVE-2026-41552 Path Traversal in PDF Export Module

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Path Traversal due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated PDF. This issue was fixed in PDF...

EUVD-2026-30539

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1...

CVE-2026-43939

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the thread posting and reply feature accepts user-supplied content via a a post or reply that is stored server-side and later rendered back into the thread page without adequate HTML sanitization or contextual output...

EUVD-2026-29165

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...