CVE-2026-2028: CKP267 Maxiblocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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 authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.

Affected products

• CKP267 Maxiblocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites: up to and including 2.1.8

Published 2026-04-24. Last modified 2026-06-17.