CVE-2026-87928: Unrestricted Upload of File with Dangerous Type

MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the adminpage upload handler that allows any logged-in user to upload HTML files. Attackers can upload HTML containing malicious scripts to the uploads/pages/ directory, which executes in visitors' browsers wh...

CVE-2026-84232

CVE-2026-84232 is a stored cross-site scripting (XSS) vulnerability in pulpcore's content serving application (python-pulpcore). The root cause is that files uploaded to Pulp file-type repositories are served with their original MIME type (e.g., text/html, image/svg+xml) and without a Content-Dis...

CVE-2026-74800: Improper Neutralization of Input During Web Page Generation

SiYuan before v3.7.4 fails to set Content-Disposition and X-Content-Type-Options headers when serving arbitrary file assets, allowing stored cross-site scripting attacks. Authenticated attackers can upload HTML files as assets and execute scripts with full kernel API access when the workspace own...

EUVD-2026-51402

ComfyUI is a node-based diffusion model GUI, API, and backend. Prior to 0.28.0, GET /userdata/file served user-controlled HTML and SVG files with extension-derived content types, allowing stored cross-site scripting in the ComfyUI origin and access to browser-stored API tokens, settings, workflow...

Cross-site Scripting (XSS)

EasyAdmin is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to insufficient restrictions on uploaded file types and serving uploaded files inline from the public web root, which allows an attacker to upload malicious HTML or SVG files that execute JavaScript in an administrator'...

Malicious code in polipoli-pak (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a8693677ff1f1f887c11d3b4f6ad3f1742c7eefd07b6b8cfabd6cfccc32bc48f On npm install, postinstall.js runs automatically and performs two unauthorized actions against the installer. First, it POSTs a JSON fingerprint of...

MAL-2026-10099 Malicious code in polipoli-pak (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector a8693677ff1f1f887c11d3b4f6ad3f1742c7eefd07b6b8cfabd6cfccc32bc48f On npm install, postinstall.js runs automatically and performs two unauthorized actions against the installer. First, it POSTs a JSON fingerprint of...

GO-2026-5313 Hugo: XSS via text/html content files in github.com/gohugoio/hugo

Hugo: XSS via text/html content files in github.com/gohugoio/hugo...

GHSA-PXCC-8665-PHX8 YARD static cache reads raw traversal paths before router sanitization

Summary YARD's static cache lookup reads a request path before the router's path cleanup runs. When a server is configured with a document root, a traversal path such as /../yard-cache-secret.html is joined against that root and can return a readable sibling .html file outside the intended static...

Open WebUI 跨站脚本漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.3 had a cross-site scripting vulnerability. This vulnerability stemmed from the audio transcription upload endpoint, which extracted the file extension from the...

CVE-2026-44259

efw4.X: Stored XSS via previewServlet affects versions prior to 4.08.010. The previewServlet serves files by inferring MIME type from file extensions (e.g., .html, .htm -> text/html; .svg -> image/svg+xml) without sanitizing content or applying security headers. This can cause embedded Java...

CVE-2026-44259 efw4.X: Stored XSS via previewServlet

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

CVE-2026-44259 efw4.X: Stored XSS via previewServlet

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

USN-8207-1 clamav vulnerability

It was discovered that ClamAV incorrectly handled certain HTML files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service...

hackage-server 跨站脚本漏洞

hackage-server is a Haskell open-source package repository server. hackage-server has a cross-site scripting vulnerability, which stems from the direct provision of HTML and JavaScript files. This vulnerability could allow malicious package maintainers to hijack user sessions...

CVE-2026-40470: Improper Neutralization of Input During Web Page Generation

A critical XSS vulnerability affected hackage-server and hackage.haskell.org. HTML and JavaScript files provided in source packages or via the documentation upload facility were served as-is on the main hackage.haskell.org domain. As a consequence, when a user with latent HTTP credentials browses...

CVE-2026-40262 Note Mark has Stored XSS via Unrestricted Asset Upload

Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the asset delivery handler serves uploaded files inline and relies on magic-byte detection for content type, which does not identify text-based formats such as HTML, SVG, or XHTML. These files are served with an...

Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload

Summary The file upload endpoint validates Content-Type using only the client-supplied multipart header, with no server-side content inspection or file extension validation. Combined with an unauthenticated static file server that determines Content-Type from file extension, this allows an admin ...

BIT-PARSE-2026-31868 Parse Server has Stored XSS via file upload of HTML-renderable file types

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.30, an attacker can upload a file with a file extension or content type that is not blocked by the default configuration of the Parse Server fileUpload.fileExtensions...

CVE-2025-41712

CVE-2025-41712 describes an unauthenticated remote attacker who can gain access to sensitive information on a device by tricking a user into uploading a manipulated HTML file. Root cause: incorrect permission assignment for the web server. Reported impact: high confidentiality impact (CVE metrics...