CVE-2026-34226 Happy DOM's fetch credentials include uses page-origin cookies instead of target-origin cookies

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin window.location instead of the request target URL when fetch..., credentials: "include" is used. This can leak cookies from orig...

CVE-2026-33943 Happy DOM ECMAScriptModuleCompiler: unsanitized export names are interpolated as executable code

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. In versions 15.10.0 through 20.8.7, a code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions insi...

CVE-2026-33943 Happy DOM ECMAScriptModuleCompiler: unsanitized export names are interpolated as executable code

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. In versions 15.10.0 through 20.8.7, a code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions insi...

CVE-2026-33943

Happy DOM CVE-2026-33943 involves a code-injection vulnerability in the ECMAScriptModuleCompiler: in versions 15.10.0 through 20.8.7, unsanitized content within export { ... } in ES modules is interpolated into generated code as an executable expression, with backticks not removed, enabling templ...

CVE-2026-33943 Happy DOM ECMAScriptModuleCompiler: unsanitized export names are interpolated as executable code

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. In versions 15.10.0 through 20.8.7, a code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions insi...

CVE-2026-33943

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. In versions 15.10.0 through 20.8.7, a code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions insi...

happy-dom 安全漏洞

Happy-Dom is a JavaScript implementation of a web browser without a graphical interface, developed by David Ortner. Versions of Happy-Dom prior to 20.8.9 contained a security vulnerability. This vulnerability stemmed from the fetch function, which might attach cookies originating from the current...

happy-dom 代码注入漏洞

Happy-Dom is a JavaScript implementation of a web browser with no graphical interface, developed by David Ortner. Versions of Happy-Dom prior to 20.8.7 contained a code injection vulnerability. This vulnerability stemmed from issues with the ECMAScriptModuleCompiler, which could allow attackers t...

CVE-2026-33943: Improper Control of Generation of Code

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. In versions 15.10.0 through 20.8.7, a code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions insi...

CVE-2026-34226: Insertion of Sensitive Information Into Sent Data

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions prior to 20.8.9 may attach cookies from the current page origin window.location instead of the request target URL when fetch..., credentials: "include" is used. This can leak cookies from orig...

07-calito-router (>=0.0.2, <=0.0.4), @adbl/cartridge (>=0.0.0, <=0.0.8) +251 more potentially affected by CVE-2026-33943 via happy-dom (>=15.10.2, <=20.8.7)

happy-dom NPM version =15.10.2, =0.0.2, =0.0.0, =0.1.1, =0.1.0, =18.0.11, =0.5.0, =0.4.2, =0.1.10, =0.3.0, =0.1.0-alpha.1, =0.1.0 - @chialab/sveltekit-utils 0.1.0-alpha.8 - @choiceform/design-js-tokens 0.1.0 - @codai/testing-utils 1.0.0 and more Source cves: CVE-2026-33943 Source advisory:...

07-calito-router (>=0.0.2, <=0.0.4), @adbl/cartridge (>=0.0.0, <=0.0.8) +251 more potentially affected by CVE-2026-33943 via happy-dom (>=15.10.2, <=20.8.7)

happy-dom NPM version =15.10.2, =0.0.2, =0.0.0, =0.1.1, =0.1.0, =18.0.11, =0.5.0, =0.4.2, =0.1.10, =0.3.0, =0.1.0-alpha.1, =0.1.0 - @chialab/sveltekit-utils 0.1.0-alpha.8 - @choiceform/design-js-tokens 0.1.0 - @codai/testing-utils 1.0.0 and more Source cves: CVE-2026-33943 Source advisory:...

Happy DOM ECMAScriptModuleCompiler: unsanitized export names are interpolated as executable code

Summary A code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions inside export declarations in ES module scripts processed by happy-dom. The compiler directly interpolates unsanitized content...

GHSA-6Q6H-J7HJ-3R64 Happy DOM ECMAScriptModuleCompiler: unsanitized export names are interpolated as executable code

Summary A code injection vulnerability in ECMAScriptModuleCompiler allows an attacker to achieve Remote Code Execution RCE by injecting arbitrary JavaScript expressions inside export declarations in ES module scripts processed by happy-dom. The compiler directly interpolates unsanitized content...

CVE-2026-2917

The Happy Addons for Elementor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.21.0 via the haduplicatething admin action handler. This is due to the canclone method only checking currentusercan'editposts' a general capability without...

PT-2026-28574

Name of the Vulnerable Software and Affected Versions Happy DOM versions 15.10.0 through 20.8.7 Description Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Versions 15.10.0 through 20.8.7 contain a code injection issue in the ECMAScriptModuleCompile...

EUVD-2026-11121

The Happy Addons for Elementor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.21.0 via the haconditionupdate AJAX action. This is due to the validatereqeust method using currentusercan'editposts', $templateid instead of...

CVE-2026-2917

The Happy Addons for Elementor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.21.0 via the haduplicatething admin action handler. This is due to the canclone method only checking currentusercan'editposts' a general capability without...

CVE-2026-2917

The Happy Addons for Elementor plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.21.0 via the haduplicatething admin action handler. This is due to the canclone method only checking currentusercan'editposts' a general capability without...

CVE-2026-2917

CVE-2026-2917 (Happy Addons for Elementor, WordPress) is an Insecure Direct Object Reference vulnerability affecting all versions up to 3.21.0. The root cause is the can_clone() check only enforcing a general capability (current_user_can('edit_posts')) and an action nonce bound to the generic ha_...