Threats Tagged 'cve-2026-33943'
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Threats Tagged 'cve-2026-33943'
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0 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 inside `export { }` declarations in ES module scripts processed by happy-dom. The compiler directly interpolates unsanitized content into generated code as an executable expression, and the quote filter does not strip backticks, allowing template literal-based payloads to bypass sanitization. Version 20.8.8 fixes the issue. Join the discussion | CVE Database V5 | 03/27/2026, 21:15:19 UTC Added: 03/27/2026, 21:29:46 UTC |
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