CVE-2026-9055
Unauthenticated privilege escalation in Amelia WordPress plugin enabling admin takeover.
Is CVE-2026-9055 being exploited?
Not confirmed. CVE-2026-9055 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 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-9055?
CVE-2026-9055 is rated Critical with a CVSS score of 9.8. 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-2026-9055?
Yes. A fix has been recorded for CVE-2026-9055. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-9055 affect?
CVE-2026-9055 affects Booking for Appointments and Events Calendar – Amelia (Premium) v8.0 - v9.6.2, WordPress sites with the Amelia plugin installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-9055?
Update Amelia to the patched version, rotate admin passwords, audit users, apply WAF rules.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can escalate to manager, create a provider tied to an admin and overwrite the admin password, enabling full site admin takeover.
Immediate action required
- affected>= 8.0 and <= 9.6.2
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.