CVE-2025-13535
Vulnérabilité moyenne dans King Addons for Elementor – 80+ Elementor Widgets, 4 000+ Elementor Templates, WooCommerce, Mega Menu, Popup Builder (kingaddons)
Description
The King Addons for Elementor plugin for WordPress is vulnerable to multiple Contributor+ DOM-Based Stored Cross-Site Scripting vulnerabilities in all versions up to, and including, 51.1.38. This is due to insufficient input sanitization and output escaping across multiple widgets and features. The plugin uses esc_attr() and esc_url() within JavaScript inline event handlers (onclick attributes), which allows HTML entities to be decoded by the DOM, enabling attackers to break out of the JavaScript context. Additionally, several JavaScript files use unsafe DOM manipulation methods (template literals, .html(), and window.location.href with unvalidated URLs) with user-controlled data. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts via Elementor widget settings that execute when a user accesses the injected page or when an administrator previews the page in Elementor's editor. The vulnerability was partially patched in version 5.1.51.
Gravité et risque d'exploitation
CVE-2025-13535 obtient un score CVSS de 6.4/10, soit une gravité moyenne. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.24 %, ce qui la place devant 14.3 % des CVE référencées.
Que faire ?
- Vérifiez si King Addons for Elementor – 80+ Elementor Widgets, 4 000+ Elementor Templates, WooCommerce, Mega Menu, Popup Builder (versions 0, <=51.1.53) est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.
Références
- https://www.wordfence.com/threat-intel/vulnerabilities/id/95d3e76c-612d-436c-9d32-6228d7dcbf35?source=cve
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/assets/libraries/lightgallery/lightgallery.js
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Video_Popup/Video_Popup.php#L813
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Off_Canvas_Content/Off_Canvas_Content.php#L629
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Popup/Popup.php#L708
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/features/Wrapper_Link/Wrapper_Link.php#L85
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Pricing_Calculator/Pricing_Calculator.php#L1896
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Countdown/script.js#L119
- https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.38/includes/widgets/Image_Accordion/script.js#L141
- https://plugins.trac.wordpress.org/changeset/3438067/
- https://plugins.trac.wordpress.org/changeset/3441952/
