Privilege escalation in Import And Export Users Customers

CVE-2026-16534

The Import and export users and customers WordPress plugin before 2.4.2 does not enforce WordPress's role-assignment and per-user edit permissions during CSV import, allowing a user holding only the user-creation capability to create an administrator account and to overwrite an existing administrator's password or email.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% 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-2026-16534: held from 0.004 to 0.004.

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

Affected products

  • Import And Export Users Customers — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16534?
CVE-2026-16534 is a critical-severity vulnerability in Import And Export Users Customers, classified under Improper Privilege Management. CVSS score: 9.1/10. Published 2026-08-03.
How severe is CVE-2026-16534?
Critical severity. CVSS v3 base score is 9.1 out of 10.