Label Studio < 1.16.0 - Cross-Site Scripting

Label Studio prior to version 1.16.0 contains a cross-site scripting caused by rendering unsanitized user-provided HTML in the /projects/upload-example endpoint, letting attackers execute arbitrary JavaScript via crafted labelconfig in a GET request, exploit requires victims to visit malicious UR...

PT-2026-50597

Name of the Vulnerable Software and Affected Versions Filament versions 3.0.0 through 3.3.52 Description A disabled RichEditor field renders its raw state without sanitizing HTML. If the data stored in the field's state was not previously sanitized when the form state was filled, an attacker can...

EUVD-2026-35395

TYPO3 CMS has Cross-Site Scripting in Indexed Search...

EUVD-2026-36041

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, wrapline app/modules/common/common.py:181-186 and highlightword app/modules/common/common.py:188-192 build raw HTML by string concatenation with no escaping. The frontend...

CVE-2026-46492

md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injecte...

CVE-2026-46492

md-fileserver önce 1.10.3 sürümünden önce HTML içeren Markdown içeriğini güvenli olmayan şekilde render ediyor; bu, kullanıcı tarafından sağlanan Markdown içeriğinde yer alan [removed] gibi ham HTML’nin sayfaya güvenliksız olarak enjekte edilmesine yol açıyor. Etkilenen bileşenler arasında Markdo...

Cross-site Scripting (XSS)

Overview @typebot.io/js is a Javascript library to display typebots on your website Affected versions of this package are vulnerable to Cross-site Scripting XSS in the RatingButton component when unsanitized SVG or HTML is rendered via the innerHTML directive. An attacker can gain access to sessi...

GHSA-32Q2-HHR5-6QVV md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

Summary A cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution ...

PT-2026-42666

Name of the Vulnerable Software and Affected Versions md-fileserver versions prior to 1.10.3 Description A cross-site scripting XSS issue exists in the Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML, such as tags or event handlers e.g., , is processed...

EUVD-2026-30659

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, his advisory tracks a regression of the original Excel-preview XSS CVE-2026-44549. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify ...

Open WebUI has stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Related advisory This advisory tracks a regression of the original Excel-preview XSS that was publicly disclosed and patched under GHSA-jwf8-pv5p-vhmc patched in v0.8.0. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify — was reintroduced sometime...

CVE-2026-42455 LinkWarden: Stored XSS via Client-Side Archive Upload (Unsanitized HTML served from same origin)

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. In versions 2.14.0 and prior, the archive upload endpoint POST /api/v1/archives/linkId?format=4 accepts HTML files text/html without sanitizing JavaScript content. When the archive i...

CVE-2026-42455 LinkWarden: Stored XSS via Client-Side Archive Upload (Unsanitized HTML served from same origin)

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. In versions 2.14.0 and prior, the archive upload endpoint POST /api/v1/archives/linkId?format=4 accepts HTML files text/html without sanitizing JavaScript content. When the archive i...

GHSA-JWF8-PV5P-VHMC Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

PT-2026-37292

Name of the Vulnerable Software and Affected Versions WWBN AVideo versions prior to 29.1 Description An issue exists where the endpoint "/objects/notifySubscribers.json.php" accepts a raw message POST parameter and passes it to the sendSiteEmail function. This function substitutes the input...

GHSA-CFG2-MXFJ-J6PW PraisonAI Vulnerable to Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

CVE-2026-40112 PraisonAI has Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml...

CVE-2026-35218

Budibase is an open-source low-code platform. Prior to version 3.32.5, Budibase's Builder Command Palette renders entity names tables, views, queries, automations using Svelte's @html directive without any sanitization. An authenticated user with Builder access can create a table, automation, vie...

SUSE CVE-2026-33066

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the backend renderREADME function uses lute.New without calling SetSanitizetrue, allowing raw HTML embedded in Markdown to pass through unmodified. The frontend then assigns the rendered HTML to innerHTML without any...

CVE-2026-33664

Kestra 1.x (up to 1.3.3) is vulnerable to Stored Cross-Site Scripting in Markdown-based YAML flow metadata. The issue arises when user-supplied flow YAML fields—specifically description, inputs[].displayName, and inputs[].description—are rendered by Markdown.vue with html: true and then injected ...