What’s Vulnerable › Vulnerabilities
CVE-2026-2028: Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-24 · updated 2026-06-17
- Weakness: CWE-639
Description
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
References
- https://github.com/maxi-blocks/maxi-blocks/commit/3dff1db57bfb4e6c14fa7fd42037178d1d0ce199
- https://plugins.trac.wordpress.org/browser/maxi-blocks/tags/2.1.7/core/class-maxi-image-crop.php#L44
- https://plugins.trac.wordpress.org/browser/maxi-blocks/trunk/core/class-maxi-image-crop.php#L44
- https://plugins.trac.wordpress.org/changeset/3476709/maxi-blocks/trunk/core/class-maxi-image-crop.php
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3476709%40maxi-blocks&new=3476709%40maxi-blocks&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f50c31df-56d0-4c34-a93c-56198fe91b36?source=cve
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