CVE-2026-0687 Meta-box GalleryMeta <= 3.0.1 - Missing Authorization to Authenticated (Author+) Gallery Management
Authenticated attackers with Author-level access can create and publish galleries due to missing capability checks in the GalleryMeta plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0687?
CVE-2026-0687 is a medium-severity missing authorization vulnerability in shahinurislam Meta-box GalleryMeta, published on 24 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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 above, to create and publish galleries.
Weakness: CWE-862
Which versions are affected by CVE-2026-0687?
How do I fix CVE-2026-0687?
No fix has been published for CVE-2026-0687 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-0687 being exploited?
There is no known exploitation of CVE-2026-0687 in the wild and no public exploit code.
Sources
Also known as GHSA-9jx6-rr99-97pv.