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9.8
CVE-2026-9055: Amelia WordPress plugin lets attackers become admins
CVE-2026-9055 · published 1 day ago
Summary
The Amelia booking plugin for WordPress (versions 8.0 through 9.6.2) lets anyone change their account to a manager and then take over an administrator’s account. This happens because the plugin does not properly check the data it receives when updating a customer. Update the plugin to the latest version or remove it until it is fixed to stop this risk.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| melograno | booking for appointments and events calendar – amelia | <= 9.6.2 |
Original advisory text
The Booking for Appointments and Events Calendar – Amelia (Premium) plugin for WordPress is vulnerable to Privilege Escalation in versions 8.0 - 9.6.2. This is due to insufficient validation of the...
The Booking for Appointments and Events Calendar – Amelia (Premium) plugin for WordPress is vulnerable to Privilege Escalation in versions 8.0 - 9.6.2. This is due to insufficient validation of the attacker-controlled 'type' parameter in the customer update endpoint, which allows customers to set their role to 'manager' and trigger creation of a WordPress user with the wpamelia-manager role when the 'externalId' parameter is set to 0. This makes it possible for unauthenticated attackers to escalate their privileges to administrator by first elevating to the manager role, then creating a provider entity linked to an administrator user ID and overwriting that administrator's password.
Severity
9.8
Critical
CVSS 3.1: 9.8 (NVD)
Exploitation
EPSS <1%
Type
CWE-269Improper Privilege Management
Timeline
Published2 Sep 2026
Updated2 Sep 2026
First seen2 Sep 2026
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