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,...

Security update for rubygem-rails-html-sanitizer

This update for rubygem-rails-html-sanitizer fixes the following issue: CVE-2026-73648: rails-html-sanitizer: cross-site scripting is possible when the sanitizer is configured to allow certain SVG reference elements bsc1275199. Patch Instructions: To install this SUSE update use the SUSE...

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

OWASP Bug Bounty for Projects Introduction Many developers and companies looking to implement security are turning towards OWASP to use Defender libraries that they can implement to secure their critical applications. Since this implies a form of trust in OWASP, many users of these projects might...

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...

bluemonday

bluemonday bluemonday は Go で実装された HTML サニタイザーです。高速で、高度に設定可能です。 bluemonday は、信頼できないユーザー生成コンテンツを入力として受け取り、承認された HTML 要素と属性の許可リストに基づいてサニタイズされた HTML を返すため、そのコンテンツを Web ページに安全に含めることができます。 ユーザー生成コンテンツを受け入れており、サーバーが Go を使用しているなら、bluemonday が必要です 。 ユーザー生成コンテンツのデフォルトポリシー（bluemonday.UGCPolicy.Sanitize）は、これ...

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,...

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====== Bleach NOTE: 2026-06-05: Bleach is no longer maintained.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-2026-55230

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.6, Vvveb's HTML sanitizer fails to strip event-handler attributes when a tag carries a greater-than character inside a quoted attribute value. A low-privilege content...

CVE-2026-55230

The Vvveb CMS (prior to version 1.0.8.6 ) contains a Stored XSS vulnerability due to a flaw in the sanitizeHTML() filter. The HTML sanitizer fails to strip event-handler attributes when a tag contains a greater-than character inside a quoted attribute value. A low-privilege content author (such a...

Rocky Linux 8 [CIQ] Security Update: libdb-cxx / libdb-cxx-debuginfo / libdb-debuginfo / etc Multiple Vulnerabilities (crlsa-2022_8506)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20228506 advisory. netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data CVE-2021-37136 netty-codec: SnappyFrameDecoder doesn't restrict chu...

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-2026-63006 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-2026-63006 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...

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...

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...

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...