CVE-2026-59814

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

CVE-2026-59814 Joplin: Stored XSS via inline-served note attachment on published shares

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

Astra Linux – Vulnerability in ruby-loofah

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah = 2.1.0; versions less than 2.19.1 are vulnerable to cross-site scripting due to the image/svg+xml media type in data URIs. This issue has been fixed in version 2.19.1...

PT-2026-79139

Name of the Vulnerable Software and Affected Versions @dicebear/core versions prior to 9.4.3 @dicebear/initials versions prior to 9.4.3 Description An issue exists where certain options are interpolated into SVG attributes without XML escaping. In @dicebear/core, the addRotate function fails to...

CVE-2026-61607 Grav API Plugin: Stored XSS via SVG Upload - API Media Pipeline Bypasses Sanitizer

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.2, the Grav API plugin POST /api/v1/media pipeline in HandlesMediaUploads::processUploadedFile validates an SVG filename extension but does not invoke Security::sanitizeSVG. An...

CVE-2026-56670: Improper Neutralization of Input During Web Page Generation

ComfyUI is a modular diffusion model GUI, api and backend with a graph/nodes interface. Prior to 0.28.0, the /view endpoint served uploaded SVG files inline because image/svg+xml and related XML content types were absent from the dangerous-content-type handling, allowing stored cross-site scripti...

CVE-2026-66394

SiYuan before v3.7.3 contains stored and reflected cross-site scripting vulnerabilities in SVG sanitization that allows authenticated attackers to execute scripts by bypassing the HTML parser-based cleaner. Attackers can hide script tags within desc, style, or noscript elements which the HTML...

PT-2026-64995

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.3 Description Stored and reflected cross-site scripting issues exist in SVG sanitization. Authenticated attackers can bypass the HTML parser-based cleaner by hiding script tags within desc, style, or noscript...

CVE-2026-56398

Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture claim URL MIME type is inferred from file extension rather than Content-Type header, allowing SVG files to bypass the profile image validator and be stored as data URIs...

CVE-2026-4983: Improper Neutralization of Input During Web Page Generation

Open VSX Registry does not sanitize SVG files uploaded as extension icons prior to storage, and serves them with Content-Type: image/svg+xml without security headers such as Content-Security-Policy or Content-Disposition: attachment. This allows an attacker to publish an extension with a maliciou...

CVE-2026-44587 CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

CarrierWave is a framework to upload files from Ruby applications. In versions prior to 2.2.7 and 3.1.3, the contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. In...

CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

CVE-2026-49102: Improper Neutralization of Input During Web Page Generation

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type e.g., text/plain...

EUVD-2026-30662

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

GHSA-3856-3VXQ-M6FC Open WebUI has XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image

As part of our research on improving our AI pentest, we have uncovered the following issue in Open WebUI. We've manually verified and tided up the report, but you can also find the original agent finding at the bottom of this report. Summary The channel webhook create/update flow accepts arbitrar...

CVE-2026-34605: Improper Neutralization of Input During Web Page Generation

SiYuan is a personal knowledge management system. From version 3.6.0 to before version 3.6.2, the SanitizeSVG function introduced in version 3.6.0 to fix XSS in the unauthenticated /api/icon/getDynamicIcon endpoint can be bypassed by using namespace-prefixed element names such as . The Go HTML5...

CVE-2026-32753

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, bypasses of the attachment view logic and SVG sanitizer make it possible to upload and render an SVG that runs malicious JavaScript. An extension of .png with content type of...

CVE-2026-32753 FreeScout: Stored XSS through SVG file upload with filter bypass

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, bypasses of the attachment view logic and SVG sanitizer make it possible to upload and render an SVG that runs malicious JavaScript. An extension of .png with content type of...

CVE-2026-32753: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, bypasses of the attachment view logic and SVG sanitizer make it possible to upload and render an SVG that runs malicious JavaScript. An extension of .png with content type of...

CVE-2025-70297: Improper Neutralization of Input During Web Page Generation

A stored cross-site scripting XSS vulnerability in the recipe asset upload and media serving component in Mealie 3.3.1 allows remote authenticated users to inject arbitrary web script or HTML via an uploaded SVG file that is served as image/svg+xml and rendered by a victim s browser...