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CVE-2024-51757— Fixes security vulnerability that allowed for server side code to be executed by a <script> tag

Quick assessment

Affected
capricorn86 happy-dom
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

happy-dom是David Ortner个人开发者的一种没有图形用户界面的 web 浏览器的 JavaScript 实现。 happy-dom 15.10.2之前版本存在代码注入漏洞，该漏洞源于会通过脚本标签在主机上执行代码，导致可在用户上下文中执行代码。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2024-51757

Vulnerability Information
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Vulnerability Title
Fixes security vulnerability that allowed for server side code to be executed by a <script> tag
Source: CVE Program / CVE List V5
Vulnerability Description
happy-dom is a JavaScript implementation of a web browser without its graphical user interface. Versions of happy-dom prior to 15.10.2 may execute code on the host via a script tag. This would execute code in the user context of happy-dom. Users are advised to upgrade to version 15.10.2. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
happy-dom 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
happy-dom是David Ortner个人开发者的一种没有图形用户界面的 web 浏览器的 JavaScript 实现。 happy-dom 15.10.2之前版本存在代码注入漏洞，该漏洞源于会通过脚本标签在主机上执行代码，导致可在用户上下文中执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
capricorn86 happy-dom < 15.10.2 -

II. Public POCs for CVE-2024-51757

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: host command executed via injected URL in happy-dom sync-fetch script — uid=0(root) gid=0(root) groups=0(root)
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 4281 chars
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III. Intelligence Information for CVE-2024-51757

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IV. Related Vulnerabilities

Same product: happy-dom
Same vendor: capricorn86
Same weakness: CWE-94

V. Comments for CVE-2024-51757

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