CVE-2026-3481 WP Blockade <= 0.9.14 - Reflected Cross-Site Scripting via 'shortcode' Parameter

The WP Blockade plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'shortcode' parameter in all versions up to and including 0.9.14. This is due to insufficient input sanitization and output escaping in the rendershortcodepreview function. The function receives user inpu...