CVE-2026-53606

A CVE-2026-53606 entry concerns ApostropheCMS (Node.js) and its dependency sanitize-html. The issue arises in sanitize-html versions prior to 2.17.5, where allowedSchemesAppliedToAttributes (default: ['href','src','cite']) do not cover all URI-bearing attributes (e.g., action, formaction, data, p...

CVE-2026-53606 sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-53606

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-53606 sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use allowedSchemesAppliedToAttributes default: 'href', 'src', 'cite' to gate the naughtyHref function that blocks...

CVE-2026-44990 Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

EUVD-2026-36566

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

CVE-2026-44990

CVE-2026-44990 affects the sanitize-html package used with ApostropheCMS. Under default configuration (disallowedTagsMode: 'discard'), versions before 2.17.4 allow attacker-controlled content inside a disallowed xmp element to bypass sanitization and render as live HTML/JS, enabling stored XSS. T...

CVE-2026-44990 Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

CVE-2026-44990 Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`

ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of sanitize-html prior to 2.17.4 can turn attacker-controlled content inside a disallowed xmp element into live HTML or...

CVE-2026-54395

CVE-2026-54395 affects MISP (UiBeta event index view) with a reflected XSS in the advanced filter popup. The urlparams value is inserted into an inline JavaScript handler inside a single-quoted string; browsers HTML-decode attribute values before JS parsing, enabling an attacker to craft a URL th...

EUVD-2026-36581

A stored cross-site scripting vulnerability exists in MISP when the Overmind theme is used. The setHomePage endpoint previously saved the user-controlled path value through setSettingInternal, bypassing the normal setSetting validation logic, including validatehomepage, which requires homepage...

TYPO3 HTML Sanitizer allows Cross-site Scripting

Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2. Credits to Doyensec in collaboration with Claude and Anthropic Research for reporting this vulnerability...

GHSA-P5J5-4J3Q-8MQ8 TYPO3 HTML Sanitizer allows Cross-site Scripting

Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2. Credits to Doyensec in collaboration with Claude and Anthropic Research for reporting this vulnerability...

EUVD-2026-35395

TYPO3 CMS has Cross-Site Scripting in Indexed Search...

TYPO3 HTML Sanitizer allows Cross-site Scripting

When ALLOWINSECURERAWTEXT is enabled, whitespace-variant closing tags e.g., are not recognized by the sanitizer but accepted by browsers as valid end tags, allowing subsequent content to escape sanitization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitiz...

katex-xss-test

KaTeX render test Inline href: $\hrefjavascript:alertdocume...

CVE-2026-29170

A flaw was found in Apache HTTP Server, specifically within the modproxyftp module. This cross-site scripting XSS vulnerability occurs during the generation of HTML directory lists when the server is configured to list FTP directory contents via either a forward or reverse proxy. An attacker coul...

CVE-2026-45669

Nuxt is an open-source web development framework for Vue.js. From versions 3.4.3 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6, navigateTo with external: true generates a server-side HTML redirect body containing a tag. The destination URL is only sanitized by replacing " with %22, leaving ,...

OESA-2026-2672 perl-HTML-Parser security update

Objects of the HTML::Parser class will recognize markup and separate it from plain text alias data content in HTML documents. As different kinds of markup and text are recognized, the corresponding event handlers are invoked. Security Fixes: HTML::Entities versions before 3.84 for Perl read freed...

SUSE CVE-2026-45106

Weblate is a web based localization tool. Prior to version 2026.5, Weblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs inside the authenticated editor of every user who runs a...