CVE-2026-18365 Zportals < 6.4.2 - Subscriber+ User Email Disclosure

Medium 4.3 Published Updated

Subscribers can view all registered users' emails and names due to missing authorization checks in the Zportals WordPress 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-2026-18365?

CVE-2026-18365 is a medium-severity missing authorization vulnerability in Unknown zportals, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The zportals WordPress plugin before 6.4.2 does not perform any capability or nonce check on one of its AJAX actions, allowing users with a subscriber-level account to disclose the display name and email address of every registered user, including administrators.

Weakness: CWE-200

Which versions are affected by CVE-2026-18365?

How do I fix CVE-2026-18365?

No fix has been published for CVE-2026-18365 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-2026-18365 being exploited?

There is no known exploitation of CVE-2026-18365 in the wild and no public exploit code.

Sources

Also known as GHSA-xr35-jw5p-9pmm.

Is CVE-2026-18365 in your software?

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