Information disclosure in Team Members

CVE-2026-11871

The Team Members WordPress plugin before 9.3 does not perform any authorization or visibility check in an unauthenticated AJAX action that returns full team member records by ID, allowing unauthenticated attackers to enumerate and disclose details, including email addresses and phone numbers, of team members the administrator has not published publicly.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.7% 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-2026-11871: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Team Members

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11871?
CVE-2026-11871 is a medium-severity vulnerability in Team Members, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-26.
How severe is CVE-2026-11871?
Medium severity. CVSS v3 base score is 5.3 out of 10.