CVE-2026-44897

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, HTMLRenderer.heading builds the opening tag by string-concatenating the id attribute value directly into the HTML — with no call to escape, safeentity, or any other sanitisation function. A double-quote character " in...

CVE-2026-44897

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, HTMLRenderer.heading builds the opening tag by string-concatenating the id attribute value directly into the HTML — with no call to escape, safeentity, or any other sanitisation function. A double-quote character " in...

WordPress WPBakery Visual Composer plugin <= 7.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Heading tag attribute vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via Custom Heading tag attribute vulnerability discovered by Nikolas - mdr in WordPress Plugin WPBakery Page Builder versions = 7.5...

CVE-2024-4697

The Cowidgets – Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘headingtag’ parameter in all versions up to, and including, 1.1.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with...

PT-2024-32308 · WordPress · The Cowidgets – Elementor Addons

Name of the Vulnerable Software and Affected Versions: The Cowidgets – Elementor Addons plugin for WordPress versions up to, and including, 1.1.1 Description: The issue is related to Stored Cross-Site Scripting via the heading tag parameter due to insufficient input sanitization and output...

CVE-2024-1080

The Beaver Builder – WordPress Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the via the heading tag in all versions up to, and including, 2.7.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers,...

CVE-2021-24292

The Happy Addons for Elementor WordPress plugin before 2.24.0, Happy Addons Pro for Elementor WordPress plugin before 1.17.0 have a number of widgets that are vulnerable to stored Cross-Site ScriptingXSS by lower-privileged users such as contributors, all via a similar method: The “Card” widget...

Cross site scripting

In Joomla! before 3.9.19, lack of input validation in the heading tag option of the "Articles - Newsflash" and "Articles - Categories" modules allows XSS...