CVE-2026-44401 Typemill CMS 2.x Persistent XSS via Markdown javascript URI

Typemill CMS version 2.x contains a persistent cross-site scripting vulnerability in the Markdown parser extension that allows authenticated users with theme-configuration access to inject malicious JavaScript URIs by supplying unsanitized href values in Markdown links. Attackers can craft Markdo...

CVE-2026-44401 Typemill CMS 2.x Persistent XSS via Markdown javascript URI

Typemill CMS version 2.x contains a persistent cross-site scripting vulnerability in the Markdown parser extension that allows authenticated users with theme-configuration access to inject malicious JavaScript URIs by supplying unsanitized href values in Markdown links. Attackers can craft Markdo...

CVE-2026-44401 Typemill CMS 2.x Persistent XSS via Markdown javascript URI

Typemill CMS version 2.x contains a persistent cross-site scripting vulnerability in the Markdown parser extension that allows authenticated users with theme-configuration access to inject malicious JavaScript URIs by supplying unsanitized href values in Markdown links. Attackers can craft Markdo...

Duplicate Advisory: @a2ui/web_core: `openUrl` permits `javascript:` URI execution via agent-supplied button actions

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-72qq-p3r5-f7wq. This link is maintained to preserve external references. Original Description The openUrl function in @a2ui/webcore passes an agent-controlled URL directly to window.open without validating the U...

GHSA-W72Q-X6W3-7RJ3 Duplicate Advisory: @a2ui/web_core: `openUrl` permits `javascript:` URI execution via agent-supplied button actions

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-72qq-p3r5-f7wq. This link is maintained to preserve external references. Original Description The openUrl function in @a2ui/webcore passes an agent-controlled URL directly to window.open without validating the U...

CVE-2026-10032 Arbitrary JavaScript Execution via openUrl in @a2ui/web_core

The openUrl function in @a2ui/webcore passes an agent-controlled URL directly to window.open without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of a Button component's functionCall action. When the user clicks the rendered button, arbitrary...

CVE-2026-10032

The CVE-2026-10032 issue involves the openUrl function in @a2ui/web_core, which passes an agent-controlled URL directly to window.open() without URI scheme validation. A malicious actor can supply a javascript: URI as the url argument for a Button component’s functionCall action, allowing arbitra...

CVE-2026-10032: Improper Neutralization of Input During Web Page Generation

The openUrl function in @a2ui/webcore passes an agent-controlled URL directly to window.open without validating the URI scheme. A malicious agent can supply a javascript: URI as the url argument of a Button component's functionCall action. When the user clicks the rendered button, arbitrary...

PT-2026-67730

Name of the Vulnerable Software and Affected Versions @a2ui/web core affected versions not specified Description The openUrl function fails to validate the URI scheme before passing a URL to window.open. A malicious agent can provide a javascript: URI via the url argument of a Button component's...

GHSA-VCCV-CMXP-4J9H sanitize-html has incomplete URI scheme validation in that allows javascript: URIs through action, formaction, data, poster, and background attributes

Summary sanitize-html uses allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks dangerous URI schemes like javascript: and vbscript:. The HTML specification defines 10+ attributes that accept URIs action, formaction, data, poster, backgroun...

Cross-site Scripting (XSS)

Overview org.webjars.npm:trix is a Rich Text Editor. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the HTMLParser process. An attacker can inject malicious scripts by pasting crafted HTML containing a span element with an empty data-trix-attachment attribute,...

PT-2026-67472

Impact The Trix editor, in versions prior to 2.1.18, is vulnerable to XSS when crafted HTML is pasted into the editor. The HTMLParser processed a mock attachment, a carrying an empty data-trix-attachment="". The empty attachment object caused the element to bypass attachment handling, so its...

PT-2026-71921

Name of the Vulnerable Software and Affected Versions Trix versions prior to 2.1.18 Description Trix is vulnerable to stored cross-site scripting when crafted HTML is pasted into the editor. The HTMLParser processes a mock attachment in a with an empty data-trix-attachment value, which causes...

Trix: Stored XSS via HTMLParser attribute injection on paste

The Trix editor, in versions prior to 2.1.18, is vulnerable to XSS when crafted HTML is pasted into the editor. The HTMLParser processed a mock attachment, a carrying an empty data-trix-attachment="". The empty attachment object caused the element to bypass attachment handling, so its...

EUVD-2026-48275

DOMPurify before 3.3.2 contains a URI validation bypass vulnerability when ADDATTR is provided as a predicate function via EXTRAELEMENTHANDLING.attributeCheck. Attackers can supply a predicate that accepts specific attribute and tag combinations to bypass URI-safe validation, allowing unsafe...

CVE-2026-65697: Improper Neutralization of Input During Web Page Generation

Fathom Lite through 1.3.1 contains a stored cross-site scripting vulnerability in the analytics collection endpoint that allows unauthenticated attackers to inject a javascript: URI into the Top Pages dashboard by supplying a crafted hostname and pathname to the unauthenticated /collect endpoint...

Incomplete List of Disallowed Inputs

Overview Affected versions of this package are vulnerable to Incomplete List of Disallowed Inputs via improper handling of namespaced or prefixed script elements and case-sensitive matching of JavaScript URIs in the removeScripts plugin. An attacker can execute arbitrary scripts in the context of...

PT-2026-71346

Name of the Vulnerable Software and Affected Versions Loofah versions 2.25.0 through 2.25.1 Description Loofah is a library for manipulating and transforming HTML/XML documents and fragments. The allowed uri? function within Loofah::HTML5::Scrub fails to reject javascript: or vbscript: URIs when...

CVE-2026-54443 Dashy: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS item link values before rendering feed item titles and Read More links as anchor href attributes, allowing an attacker-controlled feed to provide a...

CVE-2026-54443: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS item link values before rendering feed item titles and Read More links as anchor href attributes, allowing an attacker-controlled feed to provide a...