CVE-2026-1302
Severity CVSS v4.0:
Pending analysis
Type:
CWE-79
Cross-Site Scripting (XSS)
Publication date:
24/01/2026
Last modified:
24/01/2026
Description
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 and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Impact
Base Score 3.x
4.40
Severity 3.x
MEDIUM
References to Advisories, Solutions, and Tools
- https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/gallerymetaboxes.php#L119
- https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/gallerymetaboxes.php#L314
- https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/templates/single-mb_gallery.php#L31
- https://plugins.trac.wordpress.org/browser/meta-box-gallerymeta/tags/3.0.1/templates/single-mb_gallery.php#L33
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bb9ae252-7e5f-4dc0-a162-100493b81980?source=cve



