Unauthenticated privilege escalation in a widely used ecommerce plugin, enabling admin access on WordPress sites; high-severity, cross-site impact.
CVE-2026-54807
Unauthenticated privilege escalation in WooCommerce <=1.0.9.
Is CVE-2026-54807 being exploited?
Not confirmed. CVE-2026-54807 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 0.44% probability of exploitation in the next 30 days.
How severe is CVE-2026-54807?
CVE-2026-54807 is rated Critical. 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-2026-54807?
Yes. A fix has been recorded for CVE-2026-54807. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-54807 affect?
CVE-2026-54807 affects WooCommerce <=1.0.9, WordPress with WooCommerce plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-54807?
Update to latest WooCommerce; review registrations; enforce least privilege.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can escalate to admin on WordPress/WooCommerce without auth, enabling full site control and data access.
Patch when possible
- affected<= 1.0.9
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.