PT-2026-33912

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40301 rhukster/dom-sanitizer: SVG <style> tag allows CSS injection via unfiltered url() and @import directives

DOMSanitizer is a DOM/SVG/MathML Sanitizer for PHP 7.3+. Prior to version 1.0.10, DOMSanitizer::sanitize allows elements in SVG content but never inspects their text content. CSS url references and @import rules pass through unfiltered, causing the browser to issue HTTP requests to...

EUVD-2026-23104

ApostropheCMS: Stored XSS via CSS Custom Property Injection in @apostrophecms/color-field Escaping Style Tag Context...

ApostropheCMS: Stored XSS via CSS Custom Property Injection in @apostrophecms/color-field Escaping Style Tag Context

Summary The @apostrophecms/color-field module bypasses color validation for values prefixed with -- intended for CSS custom properties, but performs no HTML sanitization on these values. When styles containing attacker-controlled color values are rendered into tags — both in the global stylesheet...

CVE-2026-33889 ApostropheCMS: Stored XSS via CSS Custom Property Injection in `@apostrophecms/color-field` Escaping Style Tag Context

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a stored cross-site scripting vulnerability in the @apostrophecms/color-field module, where color values prefixed with -- bypass TinyColor validation intended for CSS custom properties, and the...

CVE-2026-33889 ApostropheCMS: Stored XSS via CSS Custom Property Injection in `@apostrophecms/color-field` Escaping Style Tag Context

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a stored cross-site scripting vulnerability in the @apostrophecms/color-field module, where color values prefixed with -- bypass TinyColor validation intended for CSS custom properties, and the...

PT-2026-33171

ApostropheCMS is an open-source Node.js content management system. Versions 4.28.0 and prior contain a stored cross-site scripting vulnerability in the @apostrophecms/color-field module, where color values prefixed with -- bypass TinyColor validation intended for CSS custom properties, and the...

Security Bulletin: Cross-Site Scripting (XSS) Vulnerability in OWASP Java HTML Sanitizer via HtmlPolicyBuilder noscript/style Tags (v20240325.1), affects watsonx.data

Summary A vulnerability in OWASP Java HTML Sanitizer v20240325.1 allows Cross-Site Scripting XSS when HtmlPolicyBuilder permits noscript or style tags with allowTextIn. Unsanitized CSS or unexpected tags can be exploited by attackers. No patch is available at the time of this publication. This ca...

CVE-2026-35046 Tandoor has a Stored CSS Injection via <style> Tag in Recipe Instructions (API-Level)

Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary tags into recipe step instructions. The bleach.clean sanitizer explicitly whitelists the tag, causing the backend to...

EUVD-2026-19390

Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary tags into recipe step instructions. The bleach.clean sanitizer explicitly whitelists the tag, causing the backend to...

CVE-2026-35046

CVE-2026-35046 affects Tandoor Recipes prior to version 2.6.4. Authenticated users can inject arbitrary tags into recipe step instructions. The bleach.clean() sanitizer explicitly whitelists , allowing the backend to persist and serve unsanitized CSS payloads via the API. Clients rendering instr...

CVE-2026-35046 Tandoor has a Stored CSS Injection via <style> Tag in Recipe Instructions (API-Level)

Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary tags into recipe step instructions. The bleach.clean sanitizer explicitly whitelists the tag, causing the backend to...

CVE-2026-35046 Tandoor has a Stored CSS Injection via <style> Tag in Recipe Instructions (API-Level)

Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary tags into recipe step instructions. The bleach.clean sanitizer explicitly whitelists the tag, causing the backend to...

Tandoor Recipes 跨站脚本漏洞

Tandoor Recipes is an open-source application designed for managing recipes, planning meals, creating shopping lists, and more. Versions of Tandoor Recipes prior to 2.6.4 contained a cross-site scripting vulnerability. This vulnerability stemmed from the ability to inject any tag into the recipe...

CVE-2026-22209 wpDiscuz before 7.6.47 - Cross-Site Scripting via Unescaped Custom CSS in Style Tag

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like alert1 in the custom CSS setting to execute arbitrary JavaScript i...

CVE-2026-22209

The CVE concerns wpDiscuz before 7.6.47, where a cross-site scripting (XSS) flaw exists in the customCss field. The underlying issue allows an administrator to break out of style tags and inject scripts (for example, ), enabling arbitrary JavaScript execution in the browsers of users. The vulnera...

WordPress plugin wpDiscuz 跨站脚本漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. The...

Cross-site Scripting (XSS)

OWASP Java HTML Sanitizer is vulnerable to Cross-site Scripting XSS. The vulnerability is due to improper sanitization when HtmlPolicyBuilder permits noscript and style tags with allowTextIn, which allows an attacker to craft malicious CSS or HTML payloads that bypass the defined policy and execu...

CVE-2025-66469

NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...

CVE-2025-66021 OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization

OWASP Java HTML Sanitizer is a configureable HTML Sanitizer written in Java, allowing inclusion of HTML authored by third-parties in web applications while protecting against XSS. In version 20240325.1, OWASP java html sanitizer is vulnerable to XSS if HtmlPolicyBuilder allows noscript and style...