CVE-2026-16590 WP Directory Kit < 1.5.5 - Subscriber+ Contact Message and User Data Disclosure

Medium 6.5 Published Updated

Authenticated users can access other users' contact messages and data due to missing authorization checks in the WP Directory Kit 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-2026-16590?

CVE-2026-16590 is a medium-severity missing authorization vulnerability in Unknown WP Directory Kit, published on 8 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The WP Directory Kit WordPress plugin before 1.5.5 does not perform authorization or nonce checks on one of its authenticated AJAX actions, allowing any authenticated user such as a Subscriber to retrieve stored contact messages and associated user data belonging to other users.

Weakness: CWE-200

Which versions are affected by CVE-2026-16590?

How do I fix CVE-2026-16590?

No fix has been published for CVE-2026-16590 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-2026-16590 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16590 exists.

Sources

Also known as GHSA-cgfm-pc65-3h3w.

Is CVE-2026-16590 in your software?

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