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• Medium 6.4
  CVE-2026-6378

  Maxi Blocks <= 2.1.9 - Authenticated (Author+) Stored Cross-Site Scripting via Style Card REST API

  The Maxi Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `/wp-json/maxi-blocks/v1.0/style-card` REST API endpoint in all versions up to, and including, 2.1.9 due to insufficient input sanitization and output escaping of the `s…

  ckp267 MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites Web / CMS
  May 2, 2026
• Medium 5.3
  CVE-2026-2028

  Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter

  The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for…

  ckp267 MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites Web / CMS
  Apr 24, 2026