CVE-2026-16534 — CRITICAL (9.1)

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-269

References

https://wpscan.com/vulnerability/0d1246a0-3cd1-4b6d-bd3e-6ed89745da26/

FAQ

What is CVE-2026-16534?

CVE-2026-16534 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 u...

How severe is CVE-2026-16534?

CVE-2026-16534 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-16534?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.