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.
CVE-2026-2028 is a medium severity with CVSS 5.3 Authorization Bypass issue affecting the Plugin MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites. It affects Versions up to 2.1.8 and is fixed in 2.1.9.
CVE-2026-2028 is tracked for the Plugin MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites as medium severity with CVSS 5.3. The affected range is Versions up to 2.1.8. Update MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites to 2.1.9 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
maxi-blocks
View on wordpress.org
|
| CVE | CVE-2026-2028 |
| Patched Versions |
2.1.9
|
| Affected Versions |
Versions up to 2.1.8
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
MaxiBlocks <= 2.1.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Options Update
MaxiBlocks: 2200+ Patterns, 190 Pages, 14.2K Icons & 100 Styles <= 1.9.2 - Authenticated (Subscriber+) Arbitrary File Deletion
MaxiBlocks <= 2.1.3 - Missing Authorization
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