Auth bypass in Profilegrid

CVE-2026-16289

The ProfileGrid WordPress plugin before 6.0.0.0 does not perform authorization checks when listing a group's pending membership requests, allowing any authenticated user such as a Subscriber to disclose the names and request dates of the users awaiting approval to join any group, including private ones.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.3% 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-2026-16289: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Profilegrid — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16289?
CVE-2026-16289 is a medium-severity vulnerability in Profilegrid, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-03.
How severe is CVE-2026-16289?
Medium severity. CVSS v3 base score is 4.3 out of 10.