CVE-2026-16589 WP Directory Kit < 1.5.5 - Subscriber+ SQL Injection via data_fields_list Parameter

High 7.7 Published Updated

Authenticated users can execute SQL injection via the data_fields_list parameter in WP Directory Kit, allowing unauthorized database access.

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-2026-16589?

CVE-2026-16589 is a high-severity SQL injection 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 sanitize and escape a parameter before using it in a SQL statement through one of its authenticated AJAX actions, which lacks authorization and nonce checks, allowing any authenticated user such as a Subscriber to perform SQL injection attacks.

Weakness: CWE-89

Which versions are affected by CVE-2026-16589?

How do I fix CVE-2026-16589?

No fix has been published for CVE-2026-16589 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-16589 being exploited?

There is no known exploitation of CVE-2026-16589 in the wild and no public exploit code.

Sources

Also known as GHSA-hf26-5fpg-7r9w.

Is CVE-2026-16589 in your software?

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