Information disclosure in Wp Directory Kit

CVE-2026-16590

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.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-16590: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Wp Directory Kit — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16590?
CVE-2026-16590 is a medium-severity vulnerability in Wp Directory Kit, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-08-08.
How severe is CVE-2026-16590?
Medium severity. CVSS v3 base score is 6.5 out of 10.