Vulnerability Information
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Vulnerability Title
Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity
Vulnerability Description
Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe (safe.ts) uses String.includes(), which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes('data:') returns false. An attacker can inject arbitrary CSS for UI redressing or data exfiltration via CSS attribute selectors with background-image callbacks. This vulnerability is fixed in 2.1.11.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
unhead 跨站脚本漏洞
Vulnerability Description
unhead是UnJS开源的一个文档头和模板管理器。 unhead 2.1.11之前版本存在跨站脚本漏洞，该漏洞源于link.href检查对大小写敏感，可能导致攻击者注入任意CSS，用于UI伪装或通过CSS属性选择器进行数据渗漏。
CVSS Information
N/A
Vulnerability Type
N/A