CVE-2026-58487

HedgeDoc before version 1.11.0 is vulnerable to stored HTML injection via the local-part of registered email addresses. An attacker could register a specially crafted email, reuse the local-part as the display name, and inject HTML into pages viewed by others (publish, slide views, and collaborat...

PYSEC-2026-2604 Litestar has HTML Injection Through its CSRF Token

Overview Litestar instances which use a template engine in conjunction with CSRF protection are vulnerable to HTML Injection which can be escalated to Cross Site Scripting due to the contents of the CSRF cookie being excluded from automatic escaping by the template engine when configured inline...

PYSEC-2026-2994 pyLoad is vulnerable to stored XSS in Downloads view via unsanitized link URL in packages.js template literal

Summary The packages.js template at src/pyload/webui/app/themes/modern/templates/js/packages.js:172 interpolates a stored link URL into a template literal inside single-quoted HTML and then writes the result to the DOM via $div.htmlhtml. No escaping runs between the API value and innerHTML. An...

PYSEC-2026-2610 local-deep-research is Vulnerable to HTML Injection via Unescaped User Input in PDF Export (`pdf_service.py:_markdown_to_html`)

Summary PDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs — directly into an f-string without any HTML escaping. An authenticated attacker can craft a resear...

PYSEC-2026-2536 HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering

Impact The vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user...

PT-2026-57883

Name of the Vulnerable Software and Affected Versions MCP Appium versions prior to 1.85.10 Description The createLocatorGeneratorUI function fails to escape HTML or JavaScript context when interpolating element attributes—specifically text, content-desc, resource-id, and locator selector...

PT-2026-59258

Overview Litestar instances which use a template engine in conjunction with CSRF protection are vulnerable to HTML Injection which can be escalated to Cross Site Scripting due to the contents of the CSRF cookie being excluded from automatic escaping by the template engine when configured inline...

CVE-2026-61876

LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages...

EUVD-2026-43236

LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages...

PT-2026-57560

Name of the Vulnerable Software and Affected Versions LuCI affected versions not specified Description LuCI fails to properly encode DHCPv6 lease hostnames before rendering them in status tables. This allows attackers on the same network to inject HTML markup by sending a DHCPv6 Client FQDN...

tarteaucitron: data-cookie attribute can be used to delete arbitrary cookies

Summary tarteaucitron provides a list of cookies and buttons to delete them. If an attacker can write HTML with data attributes, they could create an element that silently deletes a cookie when clicked and trick a user to delete this cookie. Details tarteaucitron.cookie.purge is called on any...

CVE-2026-41877

CVE-2026-41877 affects R-SOFT DMS. It is a Stored XSS in the file upload functionality: an authenticated attacker could inject arbitrary HTML/JS into the uploaded file’s name, which would be executed when other users view the file list or upload status. The issue has been fixed in version v3.19-2...

Stored Cross Site Scripting

showdown is vulnerable to stored cross-site scripting. The vulnerability is due to a failure to properly escape table header ID attributes in the parseHeaders function, where attackers can inject arbitrary HTML and script-executing SVG elements through double-quote characters in markdown table...

SUSE CVE-2026-59926

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

CVE-2026-59855

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, Asset.render in app/src/asset/index.ts interpolates the unsanitized this.path value into HTML assigned to innerHTML, allowing a crafted asset link containing a double quote to break out of the src attribute, inject an...

CVE-2026-31981

A stored HTML injection vulnerability affects the Diagram tab and Graph view of Guardian/CMC (N2OS) prior to 26.2.0. An authenticated administrator can inject HTML into configuration data via multiple input vectors; when viewed by others, the HTML may render and enable phishing or open redirects....

CVE-2026-31981

A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to a shared input validation function being insufficiently restrictive. An authenticated user with administrative privileges can inject malicious HTML tags into N2OS configuration data through multiple inpu...

EUVD-2026-42456

Inappropriate implementation in WebGL in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to inject arbitrary scripts or HTML UXSS via a crafted HTML page. Chromium security severity: High...

FreeBSD : Gitlab -- Vulnerabilities (84ce0c0c-7b4e-11f1-9c40-2cf05da270f3)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 84ce0c0c-7b4e-11f1-9c40-2cf05da270f3 advisory. Gitlab reports: Cross-site Scripting issue in vulnerability evidence table renderer impacts...

EUVD-2026-42252

Capgo before 12.128.2 contains an html injection vulnerability in the organization settings endpoint that allows attackers to inject malicious HTML content. Attackers can craft payloads in the organization name field to redirect users to untrusted websites, enabling phishing attacks and...