Mermaid: Improper sanitization of configuration leads to CSS injection

Impact Mermaid's default configuration allows injecting CSS that applies outside of the Mermaid diagram via the fontFamily, themeCSS, and altFontFamily configuration options. Live demo: mermaid.live Example code: %%init: "fontFamily": "x;ab :not&background:green !important cd"%% flowchart LR A --...

PT-2026-39328

Name of the Vulnerable Software and Affected Versions Hono versions prior to 4.12.18 Description The JSX renderer escapes style attribute object values for HTML but not for CSS. When untrusted input is interpolated into a JSX style object and rendered server-side, characters that act as CSS...

Improper Certificate Validation allows MITM injection of remote CSS content

Summary The CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning any HTTPS certificate—even entirely untrusted—will...

CVE-2026-7938

Use after free in CSS in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: Medium...

OESA-2026-2130 emacs security update

Emacs is the extensible, customizable, self-documenting real-time display editor. At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. And it is an entire ecosystem of functionality beyond text editing, including a proje...

Emacs: emacs: memory corruption vulnerability when processing svg css

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CVE-2026-41305

PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Versions prior to 8.5.10 do not escape sequences when stringifying CSS ASTs. When user-submitted CSS is parsed and re-stringified for embedding in HTML tags, in CSS...

Infinite loop

Overview justhtml is an A pure Python HTML5 parser that just works. Affected versions of this package are vulnerable to Infinite loop via custom sanitization policies or programmatic DOM manipulation. An attacker can inject and execute arbitrary scripts, cause resource loading, or trigger externa...

EUVD-2026-24955

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial...

CVE-2026-6861

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial...

CVE-2026-6861

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial...

CVE-2026-6861 Emacs: emacs: memory corruption vulnerability when processing svg css

A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial...

CVE-2026-6861

A CVE-2026-6861 vulnerability affects GNU Emacs and relates to memory corruption when Emacs processes specially crafted SVG CSS data. A local attacker could entice a user to open a malicious SVG file, which may lead to a denial of service or information disclosure. Public references in the connec...

PT-2026-34449

Name of the Vulnerable Software and Affected Versions GNU Emacs affected versions not specified Description A memory corruption issue exists when processing specially crafted SVG Scalable Vector Graphics CSS Cascading Style Sheets data. A local user could exploit this by convincing a victim to op...

Linux Distros Unpatched Vulnerability : CVE-2026-6861

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes specially crafted SVG Scalable Vector Graphics CSS...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the handling of CSS preprocessor files. An attacker can access arbitrary files from the server by leveraging the import functionality in .less, .sass, or .scss files, even when cms.safemode is enabled. This is...

October CMS has Safe Mode Bypass via CSS Preprocessor Compilers

A server-side information disclosure vulnerability was identified in the handling of CSS preprocessor files. Backend users with Editor permissions could craft .less, .sass, or .scss files that leverage the compiler's import functionality to read arbitrary files from the server. This worked even...

EUVD-2026-24069

The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticat...

ROS-20260417-73-0026

A vulnerability in the crparserparseanycore function of the cr-parser.c component of the css2 Libcroco cascading tables library is related to uncontrolled recursion. Exploitation of the vulnerability could allow an attacker acting remotely to compromise data integrity as well as cause a denial of...

EUVD-2026-23042

Use after free in CSS in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...