Vulnerability · Published Aug 3, 2026 · Assigned by WPScan
CVE-2026-16534Import and export users and customers < 2.4.2 - Custom Role Privilege Escalation to Administrator via CSV Import
Critical 9.1
In plain English
A critical-severity privilege mismanagement in Import and export users and customers from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 65.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Import and export users and customers | 0 – before 2.4.2 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://wpscan.com/vulnerability/0d1246a0-3cd1-4b6d-bd3e-6ed89745da26/ exploit, vdb-entry, technical-description