CVE-2026-16534
Auth-based privilege escalation in WP plugin allows creation/reset of admin accounts.
Is CVE-2026-16534 being exploited?
Not confirmed. CVE-2026-16534 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.23% probability of exploitation in the next 30 days.
How severe is CVE-2026-16534?
CVE-2026-16534 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-16534?
Yes. A fix has been recorded for CVE-2026-16534. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16534 affect?
CVE-2026-16534 affects WordPress sites using 'Import and export users and customers' plugin, Plugin versions < 2.4.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16534?
Update plugin to 2.4.2+, remove/review accounts with create_users, rotate admin creds
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user with create_users capability can create an administrator or overwrite an existing admin's password/email, enabling full site takeover.
Immediate action required
- affected< 2.4.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.