WordPress Meta-box GalleryMeta plugin <= 3.0.1 - Authenticated (Editor+) Stored Cross-Site Scripting via Image Caption vulnerability

Authenticated Editor+ Stored Cross-Site Scripting via Image Caption vulnerability discovered by Kazuma Matsumoto - GMO Cybersecurity by IERAE, Inc. in WordPress Plugin Meta-box GalleryMeta versions = 3.0.1...

CVE-2026-1302

The Meta-box GalleryMeta plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions a...

CVE-2026-1302

The Meta-box GalleryMeta plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions a...

CVE-2026-0687 Meta-box GalleryMeta <= 3.0.1 - Missing Authorization to Authenticated (Author+) Gallery Management

The Meta-box GalleryMeta plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mbgallery' custom post type in all versions up to, and including, 3.0.1. This makes it possible for authenticated attackers, with Author-level access and abov...

PT-2026-4598

The Meta-box GalleryMeta plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with editor-level permissions a...

PT-2026-4594

The Meta-box GalleryMeta plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mb gallery' custom post type in all versions up to, and including, 3.0.1. This makes it possible for authenticated attackers, with Author-level access and...