PT-2026-34839

Name of the Vulnerable Software and Affected Versions PostCSS versions prior to 8.5.10 Description PostCSS transforms CSS files into an Abstract Syntax Tree AST to analyze and modify rules. The software fails to escape sequences when stringifying CSS ASTs. If user-submitted CSS is parsed and then...

PostCSS 跨站脚本漏洞

PostCSS is an open-source style transformation tool developed by PostCSS. Versions of PostCSS prior to 8.5.10 contained a cross-site scripting vulnerability. This vulnerability stemmed from the lack of escaping of the sequence during CSS stringification using the CSS AST. As a result, when the...

EUVD-2026-22865

The WM JqMath plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'style' shortcode attribute of the jqmath shortcode in all versions up to and including 1.3. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. The...

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...

justhtml has sanitization bypass in custom policies and programmatic DOM

Summary justhtml 1.17.0 fixes multiple security issues in sanitization, serialization, and programmatic DOM handling. Most of these issues affected advanced or custom configurations rather than the default safe path. Affected versions - justhtml , MathML , SVG / , and MathML text integration poin...

GHSA-X9FJ-57FH-C8WQ Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

Summary When dynamic text is interpolated into a or tag the Marko runtime failed to prevent tag breakout when the closing tag used non-lowercase casing. An attacker able to place input inside a or block could break out of the tag with , , etc. and inject arbitrary HTML/JavaScript, resulting in...

Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

Summary When dynamic text is interpolated into a or tag the Marko runtime failed to prevent tag breakout when the closing tag used non-lowercase casing. An attacker able to place input inside a or block could break out of the tag with , , etc. and inject arbitrary HTML/JavaScript, resulting in...

Cross-site Scripting (XSS)

Overview marko is an UI Components + streaming, async, high performance, HTML templating for Node.js and the browser. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the handling of interpolated values within or tags due to improper case-insensitive detection of...

Cross-site Scripting (XSS)

Overview @marko/runtime-tags is an Optimized runtime for Marko templates. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the handling of interpolated values within or tags due to improper case-insensitive detection of closing tags. An attacker can execute arbitrar...

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

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...

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...

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...

PT-2026-34608

Name of the Vulnerable Software and Affected Versions Marko affected versions not specified Description When dynamic text is interpolated into or tags, the runtime fails to prevent tag breakout if the closing tag uses non-lowercase casing. This occurs because the system uses case-sensitive regula...

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...

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...

CVE-2026-40497

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...