The Colibri Page Builder plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.253. This is due to missing or incorrect nonce validation on the apiCall() function. This makes it possible for unauthenticated attackers to call a limited set of functions that can be used to import images, delete posts, or save theme data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Colibri Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's extend_builder_render_js shortcode in all versions up to, and including, 1.0.239 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExtendThemes Colibri Page Builder allows Stored XSS.This issue affects Colibri Page Builder: from n/a through 1.0.239.

The Colibri Page Builder for WordPress is vulnerable to SQL Injection via the ‘post_id’ parameter in versions up to, and including, 1.0.227 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers with administrator-level privileges to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.