java-html-sanitizer

OWASP Java HTML Sanitizer A fast and easy to configure HTML Sanitizer written in Java which lets you include HTML authored by third-parties in your web application while protecting against XSS. The existing dependency is on JSR 305. The other jars are only needed by the test suite. The JSR 305...

OWASPBugBounty

Programa de Bug Bounty de OWASP para Proyectos Introducción Muchos desarrolladores y empresas que buscan implementar seguridad están recurriendo a OWASP para utilizar librerías Defender que puedan implementar para proteger sus aplicaciones críticas. Dado que esto implica una forma de confianza en...

bluemonday

bluemonday bluemonday es un sanitizador HTML implementado en Go. Es rápido y altamente configurable. bluemonday toma contenido generado por usuarios no confiable como entrada, y devolverá HTML saneado contra una lista blanca de elementos y atributos HTML aprobados para que puedas incluir el...

HTMLawed

HTMLawed is ... ... a single-file, 45 kb PHP script that makes input text more secure, HTML standards-compliant, and suitable in general from the viewpoint of a web-page administrator, for use in the body of HTML, XHTML or XML documents. A simple HTMLTidy alternative, the htmLawed filter,...

sanitize

Sanitize Sanitize is an allowlist-based HTML and CSS sanitizer. It removes all HTML and/or CSS from a string except the elements, attributes, and properties you choose to allow. Using a simple configuration syntax, you can tell Sanitize to allow certain HTML elements, certain attributes within...

TYPO3-HTML-Sanitizer-XSS-CVE-2023-47125

Stored XSS exploit in TYPO3 HTML Sanitizer CVE-2023-47125 Description DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. Vuln versions = 1.0.0, = 2.0.0,...

CVE-2026-63206

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the scheme for example a shortened HTTP URL...

CVE-2026-63006 Zammad: HTML sanitizer API path allowlist bypass via interior path traversal in img src/srcset

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, attacker-controlled HTML in inbound emails or tickets could bypass the image URL sanitizer using path traversal sequences. When an authenticated agent views the content, the browser resolves the URL to a protected...

CVE-2026-63206

The Zammad open source helpdesk system is vulnerable to a remote image tracking bypass in versions prior to 7.1.2 . The root cause is a flaw in the HTML sanitizer , which fails to recognize shortened URL formats that omit the double slash after the scheme (e.g., http:) as remote content. While th...

EUVD-2026-87258

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the scheme for example a shortened HTTP URL...

CVE-2026-63206 Zammad: Remote image tracking bypass via shortened URL scheme

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the scheme for example a shortened HTTP URL...

bleach

====== Bleach NOTE: 2026-06-05: Bleach is no longer maintained. There will be no future releases including for security issues. See issue: Bleach is an allowed-list-based HTML sanitizing library that escapes or strips markup and attributes. Bleach can also linkify text safely, applying filters th...

CVE-2026-59167

The SunEditor WYSIWYG editor is vulnerable to a critical XSS vulnerability in versions <= 2.47.10 (specifically confirmed in v2.47.10). The root cause is a sanitizer bypass in src/lib/core.js where the logic fails to consistently reject namespaced or custom HTML elements (e.g., ). This allows ...

Astra Linux – Vulnerability in Firefox

The HTML Sanitizer should have sanitized the href attribute of SVG use tags; however, it incorrectly did not sanitize the xlink:href attributes. This vulnerability affects Firefox versions earlier than 102...

Astra Linux – Vulnerability in ruby-rails-html-sanitizer

rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer 1.4.4 use a inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a...

Astra Linux – Vulnerability in ruby-rails-html-sanitizer

Rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions starting from 1.0.3 and before 1.4.4 are vulnerable to cross-site scripting through data URIs when used in conjunction with Loofah version 2.1.0 or higher. This issue has been fixed in version 1.4.4...

Astra Linux – Vulnerability in ruby-rails-html-sanitizer

Possible XSS Vulnerability in Rails::Html::Sanitizer There is a possible XSS vulnerability with certain configurations of Rails::Html::Sanitizer. This vulnerability has been assigned the CVE identifier CVE-2022-32209. Vulnerabilities affected: ALL Not affected: NONEMeaning: Fixed versions: v1.4.3...

Astra Linux – Vulnerability in Firefox

tags that referenced a document from the same origin could have allowed script execution if the attacker’s input was sanitized using the HTML Sanitizer API. This would require the attacker to reference a JavaScript file from the same origin that contained the script to be executed. This...

Astra Linux – Vulnerability in ruby-rails-html-sanitizer

Rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Prior to version 1.4.4, there was a potential XSS vulnerability with certain configurations of Rails::Html::Sanitizer, due to an incomplete fix of CVE-2022-32209. Rails::Html::Sanitizer might allow an attacke...

ROOT-APP-MAVEN-CVE-2025-66021 CVE-2025-66021 in com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer - Patched by Root

Root has patched CVE-2025-66021 in the com.googlecode.owasp-java-html-sanitizer:owasp-java-html-sanitizer package for Root:Maven. Multiple fixed versions available...