CVE-2026-87966
Medium
Description
The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments.
SeverityMedium
CVSS5.3
Exploit probability—
ProductEasy Appointments
PublishedSep 18, 2026
First seenSep 18, 2026
How to fix
Update
- Easy Appointments4.0.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Easy Appointments | 4.0 ≤ v < 4.0.2.2 | 4.0.2.2 |
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