CVE-2026-44429 MCP Registry: Stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the public catalogue UI served at GET / file internal/api/handlers/v0/uiindex.html is vulnerable to stored cross-site scripting via the server.websiteUrl field of any published...

CVE-2026-44429

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the public catalogue UI served at GET / file internal/api/handlers/v0/uiindex.html is vulnerable to stored cross-site scripting via the server.websiteUrl field of any published...

CVE-2026-44212

CVE-2026-44212 concerns PrestaShop's back-office Customer Service view. A stored XSS exists where an unauthenticated attacker can submit the public Contact Us form with a malicious email; the payload is stored in the database and executes when a back-office employee opens the affected customer th...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42573 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42573 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697542...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42567 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42567 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697649...

@burger-editor/client (>=4.0.0-alpha.62, <=4.0.0-alpha.70), @children-of-atom/reactive-api (0.3.0) +24 more potentially affected by CVE-2026-42567 via svelte (>=5.51.5, <=5.55.5)

svelte NPM version =5.51.5, =4.0.0-alpha.62, =0.0.15, =8.1.10, =6.1.0, =0.1.0, =2.6.0, =6.4.1, =6.4.1, =4.0.0-alpha.4, =5.0.0-rc.0, =5.0.0-rc.0, =4.18.0, =1.26.10, =1.0.0-dev.35, =1.0.0-dev.54 and more Source cves: CVE-2026-42567 Source advisory: SNYK:JS-SVELTE-16697648...

NPM: Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order

NPM: Open WebUI has Stored XSS in Banner Component via Improper Sanitization Order vulnerability discovered by ? in WordPress Npm open-webui versions = 0.7.2...

GHSA-3WGJ-C2HG-VM6Q Open WebUI vulnerable to stored XSS via OAuth picture claim stored as SVG data URI in profile_image_url

Summary When a user signs in via OAuth, Open WebUI fetches the picture claim URL, infers a MIME type from the URL extension via mimetypes.guesstype, and stores data:;base64,... as the user's profile image. The OAuth code path does not go through the validateprofileimageurl Pydantic validator that...

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...

CVE-2026-45375

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan's Bazaar community marketplace renders the name and version fields of a package's plugin.json and the equivalent theme.json / template.json / widget.json / icon.json into the Settings → Marketplace UI without HT...

org.webjars.npm:github-com-daichirata-vue-sanitize (0.2.2), org.webjars.npm:github-com-daichirata-vue-sanitize- (0.2.2) potentially affected by CVE-2026-45011 via org.webjars.npm:sanitize-html (2.7.0)

org.webjars.npm:sanitize-html MAVEN version 2.7.0 is affected by a known vulnerability. The following packages have a transitive dependency on org.webjars.npm:sanitize-html and may be impacted: - org.webjars.npm:github-com-daichirata-vue-sanitize 0.2.2 -...

Improper Encoding or Escaping of Output

Overview launder is an A sanitize module for the people. Built for ApostropheCMS. Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the linkHref field handling. An attacker can execute arbitrary JavaScript by supplying a javascript: URL in an image...

NPM: Apostrophe has stored XSS via javascript: URL in Image Widget Link

NPM: Apostrophe has stored XSS via javascript: URL in Image Widget Link vulnerability discovered by ? in WordPress Npm apostrophe versions 4.29.0...

7ghost (>=4.11.0, <=4.11.46), @21epub/text-block (>=0.0.1, <=1.2.1) +1867 more potentially affected by CVE-2026-45011 via sanitize-html (>=2.1.0, <=2.17.3)

sanitize-html NPM version =2.1.0, =4.11.0, =0.0.1, =5.0.2, =0.0.1, =1.0.0, =3.0.0, =1.3.0, =1.0.0, =0.2.0-a0, =1.0.0, =3.7.0, =3.19.3 and more Source cves: CVE-2026-45011 Source advisory: SNYK:JS-SANITIZEHTML-16759743...

Improper Encoding or Escaping of Output

Overview apostrophe is a content management system CMS for Node.js. It supports in-context editing, schema-driven content types, flexible widgets and a great deal more. This module contains everything necessary to build a website with ApostropheCMS. Affected versions of this package are vulnerabl...

GHSA-5F64-7VFC-RCX6 Apostrophe has stored XSS via javascript: URL in Image Widget Link

Summary A stored cross-site scripting vulnerability was identified in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to publish pages, the malicious widget can be published to the liv...

@nivinjoseph/n-config (2.0.4), @nivinjoseph/n-data (4.0.3) +53 more potentially affected by CVE-2026-44990 via sanitize-html (2.17.3)

sanitize-html NPM version 2.17.3 is affected by a known vulnerability. The following packages have a transitive dependency on sanitize-html and may be impacted: - @nivinjoseph/n-config 2.0.4 - @nivinjoseph/n-data 4.0.3 - @nivinjoseph/n-date 1.0.1 - @nivinjoseph/n-domain 3.0.6 - @nivinjoseph/n-eda...

Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

Summary Under the default configuration, sanitize-html can turn attacker-controlled content inside a disallowed xmp element into live HTML or JavaScript. This is a sanitizer bypass in the default disallowedTagsMode: 'discard' path and can lead to stored XSS in applications that render sanitized...

7ghost (>=4.11.0, <=4.11.46), @21epub/text-block (>=0.0.1, <=1.2.1) +1867 more potentially affected by CVE-2026-44990 via sanitize-html (>=2.1.0, <=2.17.3)

sanitize-html NPM version =2.1.0, =4.11.0, =0.0.1, =5.0.2, =0.0.1, =1.0.0, =3.0.0, =1.3.0, =1.0.0, =0.2.0-a0, =1.0.0, =3.7.0, =3.19.3 and more Source cves: CVE-2026-44990 Source advisory: SNYK:JS-SANITIZEHTML-16697325...

CVE-2026-44670

SiYuan CVE-2026-44670 describes a stored XSS that escalates to Electron renderer RCE due to HTML injection of AV (Attribute View) names. Before 3.7.0, AV names were stored without escaping and inserted into HTML in three code paths (render.ts outerHTML, Title.ts innerHTML, transaction.ts innerHTM...