Vulnerability Information
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Vulnerability Title
esm.sh CDN service has JS Template Literal Injection in CSS-to-JavaScript
Vulnerability Description
esm.sh is a nobuild content delivery network(CDN) for modern web development. Prior to version 136, The esm.sh CDN service contains a Template Literal Injection vulnerability (CWE-94) in its CSS-to-JavaScript module conversion feature. When a CSS file is requested with the ?module query parameter, esm.sh converts it to a JavaScript module by embedding the CSS content directly into a template literal without proper sanitization. An attacker can inject malicious JavaScript code using ${...} expressions within CSS files, which will execute when the module is imported by victim applications. This enables Cross-Site Scripting (XSS) in browsers and Remote Code Execution (RCE) in Electron applications. This issue has been patched in version 136.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Vulnerability Title
esm.sh 代码注入漏洞
Vulnerability Description
esm.sh是esm.sh开源的一个内容分发网络。 esm.sh 136之前版本存在代码注入漏洞，该漏洞源于CSS转JavaScript模块功能存在模板字面量注入漏洞，可能导致跨站脚本攻击或远程代码执行。
CVSS Information
N/A
Vulnerability Type
N/A