Paper/Archive/CVE-2026-16534

CVE-2026-16534

Unknown Import and export users and customers — Import and export users and customers < 2.4.2 - Custom Role Privilege Escalation to Administrator via CSV Import

EPSS 0.4%public exploit CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (ADP)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 34.7.347 × 206.9 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Import and export users and customers< 2.4.22.4.2CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitwpscan.com/vulnerability/0d1246a0-3cd1-4b6d-bd3e-6ed89745da26