Information disclosure in User Frontend

CVE-2026-14567

The User Frontend WordPress plugin before 4.3.10 does not restrict access to its user directory search endpoint, allowing unauthenticated attackers to retrieve the email address and phone number of every registered user, including administrators.

Vulnerability class: Information Disclosure

EPSS: 0.002 (5.1th percentile) — read the EPSS interpretation.

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.

Affected products

  • Unknown User Frontend

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14567?
CVE-2026-14567 is a medium-severity vulnerability in User Frontend, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-08-28.
How severe is CVE-2026-14567?
Medium severity. CVSS v3 base score is 5.3 out of 10.