CVE-2026-8688 Missing authorization in Advance Nav Menu Manager

Medium 4.3 Published Updated

Authenticated subscribers can modify site navigation menus without proper authorization checks in the Advance Nav Menu Manager 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-2026-8688?

CVE-2026-8688 is a medium-severity missing authorization vulnerability in krishaweb Advance Nav Menu Manager, published on 24 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Advance Nav Menu Manager plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to duplicate, copy, move, or publish nav_menu_item posts via wp_insert_post(), modifying the site's navigation menus without authorization.

Weakness: CWE-862

Which versions are affected by CVE-2026-8688?

How do I fix CVE-2026-8688?

No fix has been published for CVE-2026-8688 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-2026-8688 being exploited?

There is no known exploitation of CVE-2026-8688 in the wild and no public exploit code.

Sources

Also known as GHSA-239x-hvpx-225m.

Is CVE-2026-8688 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free