CVE-2026-47344

TYPO3 HTML Sanitizer (typo3/html-sanitizer) vulnerability CVE-2026-47344 affects versions before 2.3.2. When ALLOW_INSECURE_RAW_TEXT is enabled, whitespace-variant closing tags (e.g., ) are not recognized by the sanitizer but browsers accept them as valid end tags, allowing subsequent content to ...

PT-2026-42220

Name of the Vulnerable Software and Affected Versions CryptPad versions prior to 2026.2.0 Description The HTML sanitizer in Diffmarked.js contains a flaw where it fails to properly filter attributes on restricted tags. While the sanitizer validates the src attribute for , , and elements, it does...

CVE-2026-40922

SiYuan is an open-source personal knowledge management system. In versions 3.6.1 through 3.6.3, a prior fix for XSS in bazaar README rendering incomplete fix for CVE-2026-33066 enabled the Lute HTML sanitizer, but the sanitizer does not block iframe tags, and its URL-prefix blocklist does not...

GHSA-93VF-569F-22CQ rhukster/dom-sanitizer: SVG <style> tag allows CSS injection via unfiltered url() and @import directives

Summary DOMSanitizer::sanitize allows elements in SVG content but never inspects their text content. CSS url references and @import rules pass through unfiltered, causing the browser to issue HTTP requests to attacker-controlled hosts when the sanitized SVG is rendered. Details In...

[SECURITY] [DLA 4517-1] roundcube security update

Debian LTS Advisory DLA-4517-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin March 30, 2026 https://wiki.debian.org/LTS Package : roundcube Version : 1.4.15+dfsg.1-1+deb11u8 CVE ID : not yet available Debian Bug : 1131182 1132268 Multiple vulnerabilities were...

CVE-2025-55166

The CVE-2025-55166 issue affects the PHP SVG sanitizer project svg-sanitizer. Before version 0.22.0, the cleanXlinkHrefs function only searches for lower-case attribute names, allowing bypass of the isHrefSafeValue check and enabling cross-site scripting or linking to external domains. A fix is a...

AZL-6808 CVE-2021-28957 affecting package python-lxml for versions less than 4.8.0-1

An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run...

CVE-2019-17016

When pasting a style tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR 68.4 and Firefox 72...

Debian DSA-2891-1 : mediawiki, mediawiki-extensions Multiple Vulnerabilities

The remote Debian host is missing a security update. It is, therefore, affected by multiple vulnerabilities in MediaWiki : - A cross-site scripting XSS vulnerability exists due to a failure to validate input before returning it to the user. An unauthenticated, remote attacker can exploit this, vi...