PYSEC-2026-2211

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-55592

Dashy is a self-hostable personal dashboard. Prior to 4.3.7, Dashy's workspace view trusts the url query parameter and assigns it directly to an iframe source without scheme validation. If a logged-in user opens a crafted workspace link containing a javascript: URL, JavaScript runs on the Dashy...

CVE-2026-55592 Dashy: XSS in workspace url parameter

Dashy is a self-hostable personal dashboard. Prior to 4.3.7, Dashy's workspace view trusts the url query parameter and assigns it directly to an iframe source without scheme validation. If a logged-in user opens a crafted workspace link containing a javascript: URL, JavaScript runs on the Dashy...

CVE-2026-55592 Dashy: XSS in workspace url parameter

Dashy is a self-hostable personal dashboard. Prior to 4.3.7, Dashy's workspace view trusts the url query parameter and assigns it directly to an iframe source without scheme validation. If a logged-in user opens a crafted workspace link containing a javascript: URL, JavaScript runs on the Dashy...

CVE-2026-55661 TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

Tina is a headless content management system. In versions prior to @tinacms/mdx 2.1.7 and tinacms 3.9.3, rich-text parsing and the default link/image renderers did not sanitize the url field on Slate link/image nodes. Content containing javascript: or data:text/html URLs — including case-variant,...

CVE-2026-54889

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

CVE-2026-47733

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, the ImageElement component in packages/gazzodown renders user-controlled src values directly into and attributes without protocol sanitization. Unlike the analogous LinkSpan component — which uses...

CVE-2026-47733

Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, the ImageElement component in packages/gazzodown renders user-controlled src values directly into and attributes without protocol sanitization. Unlike the analogous LinkSpan component — which uses...

PT-2026-52097

Name of the Vulnerable Software and Affected Versions Rocket.Chat versions prior to 8.5.0 Description The ImageElement component in packages/gazzodown renders user-controlled src values directly into and attributes without protocol sanitization. While the LinkSpan component utilizes sanitizeUrl t...

CVE-2026-47387

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared form-view submit handler packages/nc-gui/composables/useSharedFormViewStore.ts in NocoDB writes the form's redirecturl to window.location.href after a same-host check that does not validate the URL scheme. A...

CVE-2026-56698 Nuxt - Cross-Site Scripting via navigateTo open Option

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 fail to validate script-capable URLs in the navigateTo open option, allowing client-side script execution. Attackers can supply javascript: URLs through the open parameter to execute arbitrary scripts in the application's origin when...

CVE-2026-56698 Nuxt - Cross-Site Scripting via navigateTo open Option

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 fail to validate script-capable URLs in the navigateTo open option, allowing client-side script execution. Attackers can supply javascript: URLs through the open parameter to execute arbitrary scripts in the application's origin when...

GHSA-VMHF-C436-HXJ4 JupyterLab: Stored XSS in extension manager through package metadata unsanitized URI protocol

A malicious PyPI package can place a javascript: URL in its project.urls metadata. JupyterLab's Extension Manager renders this as the extension's home-page link without validating the protocol, so a user who clicks the extension name executes attacker-controlled JavaScript in the JupyterLab origi...

Cross-site Scripting (XSS)

Overview tinacms is a headless content management system with support for Markdown, MDX, JSON, YAML, and more. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the url field in Slate link or image nodes during rich-text rendering and parsing. An attacker can execut...

EUVD-2026-36428

Nuxt: Reflected XSS in via unsanitised javascript: or data: URL...

CVE-2026-45011 Apostrophe has stored XSS via javascript: URL in Image Widget Link

ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to...

CVE-2026-45011 Apostrophe has stored XSS via javascript: URL in Image Widget Link

ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to...

EUVD-2026-36567

ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the NuxtLink href when attacker-controlled input is bound to the to or href properties. An attacker can execute arbitrary scripts in the context of the application by supplying a crafted javascript: or data:...

CVE-2026-53722 Nuxt: Reflected XSS in `<NuxtLink>` via unsanitised `javascript:` or `data:` URL

Nuxt is an open-source web development framework for Vue.js. Prior to versions 3.21.7 and 4.4.7, did not validate the URL scheme of values bound to its to or href props before rendering them into the href attribute of the underlying element. When an application binds attacker-controlled input a...