CVE-2026-6378

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 scstyles parameter. This makes it possible...

CVE-2026-6378

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 scstyles parameter. This makes it possible...

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 scstyles parameter. This makes it possible...

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 scstyles parameter. This makes it possible...

CVE-2026-6378

CVE-2026-6378 concerns the Maxi Blocks WordPress plugin. It describes a Stored Cross-Site Scripting (XSS) vulnerability via the REST API endpoint /wp-json/maxi-blocks/v1.0/style-card, affecting all versions up to and including 2.1.9. The root cause is insufficient input sanitization and output es...

EUVD-2026-26728

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 scstyles parameter. This makes it possible...

CVE-2026-6378

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 scstyles parameter. This makes it possible...

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 scstyles parameter. This makes it possible...

WordPress plugin Maxi Blocks has a cross-site scripting vulnerability

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be install...

CVE-2026-6378: Improper Neutralization of Input During Web Page Generation

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 scstyles parameter. This makes it possible...

PT-2026-36560

Name of the Vulnerable Software and Affected Versions Maxi Blocks versions prior to 2.2.0 Description The Maxi Blocks plugin for WordPress contains a stored cross-site scripting issue. This occurs due to insufficient input sanitization and output escaping of the sc styles parameter within the...

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 'maxiremovecustomimagesize' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-leve...

CVE-2026-2028

The MaxiBlocks Builder plugin for WordPress contains an issue where the maxi_remove_custom_image_size AJAX action inadequately validates file ownership, allowing authenticated users with Author-level access or higher to delete arbitrary files in wp-content/uploads (including files from others/adm...

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 'maxiremovecustomimagesize' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-leve...

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 'maxiremovecustomimagesize' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-leve...