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I. Basic Information for CVE-2025-66021
Vulnerability Information

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Vulnerability Title
OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization
Source: NVD (National Vulnerability Database)
Vulnerability Description
OWASP Java HTML Sanitizer is a configureable HTML Sanitizer written in Java, allowing inclusion of HTML authored by third-parties in web applications while protecting against XSS. In version 20240325.1, OWASP java html sanitizer is vulnerable to XSS if HtmlPolicyBuilder allows noscript and style tags with allowTextIn inside the style tag. This could lead to XSS if the payload is crafted in such a way that it does not sanitise the CSS and allows tags which is not mentioned in HTML policy. At time of publication no known patch is available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Owasp Json-sanitizer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Owasp Json-sanitizer是美国OWASP基金会的一款基于Java可根据类似Json的文本内容生成Json格式数据的代码库。 Owasp Json-sanitizer 20240325.1版本存在安全漏洞,该漏洞源于HtmlPolicyBuilder允许noscript和style标签,可能导致跨站脚本攻击。
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
VendorProductAffected VersionsCPESubscribe
OWASPjava-html-sanitizer = 20240325.1 -
II. Public POCs for CVE-2025-66021
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III. Intelligence Information for CVE-2025-66021
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