CVE-2026-18231 WP Directory Kit < 1.5.7 - Unauthenticated User Email Disclosure via select_2_ajax_user

Medium 5.3 Published Updated

Unauthenticated attackers can retrieve usernames and email addresses of plugin users due to missing authorization checks in an AJAX action.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-18231?

CVE-2026-18231 is a medium-severity vulnerability in Unknown WP Directory Kit, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WP Directory Kit WordPress plugin before 1.5.7 does not perform any authorization check on one of its public AJAX actions and returns unfiltered database rows, allowing unauthenticated attackers to retrieve the usernames and email addresses of users holding the WP Directory Kit WordPress plugin before 1.5.7's own roles.

Weakness: CWE-200

Which versions are affected by CVE-2026-18231?

How do I fix CVE-2026-18231?

No fix has been published for CVE-2026-18231 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18231 being exploited?

There is no known exploitation of CVE-2026-18231 in the wild and no public exploit code.

Sources

Also known as GHSA-3ghx-fqrc-hvc9.

Is CVE-2026-18231 in your software?

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