CVE-2026-49825 lxml: javascript: URL bypass in Cleaner via xlink:href

lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in lxml.html.defs.linkattrs were missing xlink:href, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxmlhtmlclean 0.4...

CVE-2026-53472

A flaw was found in migration-planner. Insufficient validation of the AgentStatusUpdate.CredentialUrl field allows an authenticated attacker to store a malicious javascript: URL. When a victim views this URL in the Hybrid Cloud Console, it can lead to Cross-Site Scripting XSS, enabling script...

EUVD-2026-58664

A flaw was found in migration-planner. Insufficient validation of the AgentStatusUpdate.CredentialUrl field allows an authenticated attacker to store a malicious javascript: URL. When a victim views this URL in the Hybrid Cloud Console, it can lead to Cross-Site Scripting XSS, enabling script...

CVE-2026-53472 Migration-planner: credentialurl validator accepts javascript: urls

A flaw was found in migration-planner. Insufficient validation of the AgentStatusUpdate.CredentialUrl field allows an authenticated attacker to store a malicious javascript: URL. When a victim views this URL in the Hybrid Cloud Console, it can lead to Cross-Site Scripting XSS, enabling script...

CVE-2026-53472 Migration-planner: credentialurl validator accepts javascript: urls

A flaw was found in migration-planner. Insufficient validation of the AgentStatusUpdate.CredentialUrl field allows an authenticated attacker to store a malicious javascript: URL. When a victim views this URL in the Hybrid Cloud Console, it can lead to Cross-Site Scripting XSS, enabling script...

Linux Distros Unpatched Vulnerability : CVE-2026-71478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 1.5.0 until 2.9.0, the AttributesExtension's href and src unsafe-link...

CVE-2026-71478

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 1.5.0 until 2.9.0, the AttributesExtension's href and src unsafe-link filter can be bypassed by embedding control bytes, such as a tab, carriage return, line feed, or leading C0 control character, in a...

CVE-2026-10032

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...

Linux Distros Unpatched Vulnerability : CVE-2026-67338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata...

CVE-2026-57530 Milkdown < 7.21.3 Stored XSS via javascript: URL in link href

Milkdown before 7.21.3 contains a stored cross-site scripting vulnerability in the @milkdown/preset-commonmark and @milkdown/components packages that allows attackers with document write access to execute arbitrary JavaScript in the browser context of any user who opens the document or clicks a...

CVE-2026-57530 Milkdown < 7.21.3 Stored XSS via javascript: URL in link href

Milkdown before 7.21.3 contains a stored cross-site scripting vulnerability in the @milkdown/preset-commonmark and @milkdown/components packages that allows attackers with document write access to execute arbitrary JavaScript in the browser context of any user who opens the document or clicks a...

EUVD-2026-48311

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...

CVE-2026-65697 Fathom Lite 1.3.1 Stored XSS via /collect Endpoint

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...

Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references

Summary Loofah::HTML5::Scrub.alloweduri? does not correctly reject javascript: URIs when the scheme is split or prefixed by the HTML5 named character references tab or line feed. This is a bypass of the fix for GHSA-46fp-8f5p-pf2m, which handled the equivalent numeric character references , , but...

CVE-2026-58228

Summary: CVE-2026-58228 affects phoenix_live_view (Phoenix.LiveView.Utils) and enables XSS via due to scheme validation bypass. The root cause is the internal uri_scheme/1 helper in Phoenix.LiveView.Utils that only detects schemes when the first byte is an ASCII letter; inputs starting with ASCI...

PYSEC-2026-2614 `lxml_html_clean.Cleaner` does not strip `javascript:` URLs from namespaced URL attributes

lxmlhtmlclean.Cleaner does not strip javascript: URLs from namespaced URL attributes xlink:href Reporter: Guillem Lefait · Date: 2026-05-10 Affected: lxml ≤ 6.1.0 and lxmlhtmlclean ≤ 0.4.4 latest stable Confirmed against: lxml 6.1.0 + lxmlhtmlclean 0.4.4 on Python 3.13.5, 3.14.4, and 3.15.0a8...

Cross-site Scripting (XSS)

Overview @platejs/media is a Plate Media plugin Affected versions of this package are vulnerable to Cross-site Scripting XSS via the useMediaState file. An attacker can execute arbitrary JavaScript in the context of the victim's browser by crafting a document that sets a trusted video provider...

`lxml_html_clean.Cleaner` does not strip `javascript:` URLs from namespaced URL attributes

lxmlhtmlclean.Cleaner does not strip javascript: URLs from namespaced URL attributes xlink:href Reporter: Guillem Lefait · Date: 2026-05-10 Affected: lxml ≤ 6.1.0 and lxmlhtmlclean ≤ 0.4.4 latest stable Confirmed against: lxml 6.1.0 + lxmlhtmlclean 0.4.4 on Python 3.13.5, 3.14.4, and 3.15.0a8...

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...