The WPML plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpml_language_switcher shortcode in versions 3.6.0 - 4.7.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
The WPML plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.6.12 via the Twig Server-Side Template Injection. This is due to missing input validation and sanitization on the render function. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.
Broken Access Control vulnerability in WPML Multilingual CMS premium plugin <= 4.5.10 on WordPress allows users with subscriber or higher user roles to change the status of the translation jobs.
Broken Access Control vulnerability in WPML Multilingual CMS premium plugin <= 4.5.10 on WordPress allows users with a subscriber or higher user role to change plugin settings (selected language for legacy widgets, the default behavior for media content).