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...

Weblate: Stored HTML injection in editor search preview

ImpactWeblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs inside the authenticated editor of every user who runs a matching search. Patches...

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...

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

SummaryPDFService.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 researc...

HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering

ImpactThe 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...

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-2026-59264

Summary PDFService. markdown to html 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...

PT-2026-59334

Impact OctoPrint versions up to and including 1.11.7 as well as 2.0.0rc1 and 2.0.0rc2 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Suppressed Command notifications popups generated by the printer. An attacker who successfully convinces a victim to...

CVE-2026-58500: Improper Neutralization of Input During Web Page Generation

MCP Appium is an MCP server that provides AI assistants with tools to automate mobile app testing on Android and iOS. In versions prior to 1.85.10, the createLocatorGeneratorUI function interpolates attacker-controlled element attributes — text, content-desc, resource-id, and locator selector...

CVE-2026-58487: Improper Neutralization of Input During Web Page Generation

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, due to unsafe handling of the local-part of registered email addresses, HedgeDoc was vulnerable to stored HTML Injection through its publish and slide views. An attacker could register a...

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...

PT-2026-57912

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to version 1.11.0, due to unsafe handling of the local-part of registered email addresses, HedgeDoc was vulnerable to stored HTML Injection through its publish and slide views. An attacker could register a...

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...

CVE-2026-61876: Improper Neutralization of Input During Web Page Generation

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...

AZL-92352 CVE-2026-57214 affecting package rabbitmq-server for versions less than 3.13.7-8

RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange...

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...

Cross-site Scripting (XSS)

Craft CMS is vulnerable to Stored cross-site scripting XSS. The vulnerability is due to improper escaping of entry titles during drag-and-drop operations, where user-controlled titles are decoded and inserted into HTML without proper sanitization, allowing attackers to execute arbitrary JavaScrip...