EUVD-2026-112468

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/CookieContainer.ts does not correctly validate or match Domain cookie attributes. It can accept a Domain unrelated to the origin setting the...

CVE-2026-118661

Happy DOM, a JavaScript-based web browser implementation, is vulnerable to cookie scope forgery in versions prior to 20.14.6 . The root cause is located in src/cookie/CookieContainer.ts, where the cookieMatchesURL function fails to enforce a DNS-label boundary when matching Domain attributes. Thi...

CVE-2026-118661 Happy DOM: Cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/CookieContainer.ts does not correctly validate or match Domain cookie attributes. It can accept a Domain unrelated to the origin setting the...

CVE-2026-118660 Happy DOM: SSRF via iframe and link stylesheet when parsing untrusted HTML

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.0, Happy DOM loads iframe src URLs and link rel="stylesheet" href URLs by default while parsing untrusted HTML on the server because disableIframePageLoading and disableCSSFileLoading...

CVE-2026-118660

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.0, Happy DOM loads iframe src URLs and link rel="stylesheet" href URLs by default while parsing untrusted HTML on the server because disableIframePageLoading and disableCSSFileLoading...

CVE-2026-118660 Happy DOM: SSRF via iframe and link stylesheet when parsing untrusted HTML

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.0, Happy DOM loads iframe src URLs and link rel="stylesheet" href URLs by default while parsing untrusted HTML on the server because disableIframePageLoading and disableCSSFileLoading...

CVE-2026-118660

Prior to version 21.0.0 , the Happy DOM JavaScript library is vulnerable to Server-Side Request Forgery (SSRF) . The root cause is that the library defaults disableIframePageLoading and disableCSSFileLoading to false, causing it to automatically load iframe src and link rel="stylesheet" URLs when...

EUVD-2026-112467

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.0, Happy DOM loads iframe src URLs and link rel="stylesheet" href URLs by default while parsing untrusted HTML on the server because disableIframePageLoading and disableCSSFileLoading...

CVE-2026-118660 Happy DOM: SSRF via iframe and link stylesheet when parsing untrusted HTML

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.0, Happy DOM loads iframe src URLs and link rel="stylesheet" href URLs by default while parsing untrusted HTML on the server because disableIframePageLoading and disableCSSFileLoading...

CVE-2026-118659 @happy-dom/server-renderer: ServerRendererServer Target-Origin Bypass SSRF / Open Proxy

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.2, the Happy DOM server-renderer package's ServerRendererServer accepts unauthenticated HTTP/2 requests and resolves attacker-controlled :path values against server.targetOrigin in...

CVE-2026-118659 @happy-dom/server-renderer: ServerRendererServer Target-Origin Bypass SSRF / Open Proxy

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.2, the Happy DOM server-renderer package's ServerRendererServer accepts unauthenticated HTTP/2 requests and resolves attacker-controlled :path values against server.targetOrigin in...

CVE-2026-118659

The @happy-dom/server-renderer package (prior to version 21.0.2 ) is vulnerable to a Server-Side Request Forgery (SSRF) and can be used as an Open Proxy . The root cause is located in the #onIncomingRequest function within packages/@happy-dom/server-renderer/src/ServerRendererServer.ts, where the...

CVE-2026-118659 @happy-dom/server-renderer: ServerRendererServer Target-Origin Bypass SSRF / Open Proxy

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.2, the Happy DOM server-renderer package's ServerRendererServer accepts unauthenticated HTTP/2 requests and resolves attacker-controlled :path values against server.targetOrigin in...

CVE-2026-118659

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.2, the Happy DOM server-renderer package's ServerRendererServer accepts unauthenticated HTTP/2 requests and resolves attacker-controlled :path values against server.targetOrigin in...

EUVD-2026-112466

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 21.0.2, the Happy DOM server-renderer package's ServerRendererServer accepts unauthenticated HTTP/2 requests and resolves attacker-controlled :path values against server.targetOrigin in...

Highcharts Grid parses pagination language options as HTML

Impact The pagination language strings are written into the DOM as markup rather than as text. An attacker who controls those language options can supply elements carrying event handlers, and those handlers execute in the origin of the page hosting the Grid when the pagination controls render...

CVE-2026-118254 Highcharts Grid: pagination language options are parsed as HTML

Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid writes pagination language strings into the DOM as markup instead of text. An attacker who controls the Grid language configuration can provide elements with event handlers, which execute in the...

CVE-2026-118254 Highcharts Grid: pagination language options are parsed as HTML

Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid writes pagination language strings into the DOM as markup instead of text. An attacker who controls the Grid language configuration can provide elements with event handlers, which execute in the...

CVE-2026-118254

The Highcharts JS charting library (versions 2.0.0 through 3.2.0 ) contains a vulnerability where pagination language strings are incorrectly written into the DOM as HTML markup instead of plain text. An attacker who can control the Grid language configuration can inject elements with event handl...

EUVD-2026-112356

Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid writes pagination language strings into the DOM as markup instead of text. An attacker who controls the Grid language configuration can provide elements with event handlers, which execute in the...