The vulnerability of the HtmlPolicyBuilder class in the Java library for sanitizing HTML code from OWASP Java HTML Sanitizer allows a malicious actor to gain unauthorized access to confidential information.

The vulnerability of the HtmlPolicyBuilder class in the Java library for sanitizing HTML code from OWASP Java HTML Sanitizer is related to the lack of measures taken to protect the structure of web pages. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorize...

Security Bulletin: Cross-Site Scripting (XSS) Vulnerability in OWASP Java HTML Sanitizer via HtmlPolicyBuilder noscript/style Tags (v20240325.1), affects watsonx.data

Summary A vulnerability in OWASP Java HTML Sanitizer v20240325.1 allows Cross-Site Scripting XSS when HtmlPolicyBuilder permits noscript or style tags with allowTextIn. Unsanitized CSS or unexpected tags can be exploited by attackers. No patch is available at the time of this publication. This ca...

CVE-2025-66021

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...

Owasp Json-sanitizer 安全漏洞

Owasp Json-sanitizer is a Java-based code library from the OWASP Foundation that generates Json format data from Json like text content. A security vulnerability exists in Owasp Json-sanitizer version 20240325.1, which stems from HtmlPolicyBuilder allowing noscript and style tags, which could lea...

GHSA-G9GQ-3PFX-2GW2 OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization

Summary It is observed that 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...

OWASP Java HTML Sanitizer is vulnerable to XSS via noscript tag and improper style tag sanitization

Summary It is observed that 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...