PT-2026-4594 · WordPress · Meta-Box Gallerymeta

Kazuma Matsumoto · Published 2026-01-24 · Updated 2026-01-24 · CVE-2026-0687

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Meta-box GalleryMeta plugin for WordPress versions through 3.0.1

Description The Meta-box GalleryMeta plugin for WordPress has a flaw that allows unauthorized modification of data. This is due to a missing capability check on the 'mb gallery' custom post type. Authenticated attackers with Author-level access or higher can create and publish galleries.

Recommendations Update the Meta-box GalleryMeta plugin to a version later than 3.0.1.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-0687

Affected Products

Meta-Box Gallerymeta

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-0687 · Security Note
• https://t.me/CVEtracker/42934 · Telegram Post
• https://twitter.com/CVEnew/status/2014995765547139573 · Twitter Post
• https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/gallerymetaboxes.php#L375 · Note
• https://twitter.com/VulmonFeeds/status/2015070464389820475 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/872c61aa-c95c-4b86-8e39-8112bb117a0b?source=cve · Note
• https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/include/posttype.php#L29 · Note