CVE-2026-87966EPSS p21.0%
CVE-2026-87966CVE-2026-87966
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.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| EPSS | 0.30% probability of exploitation · percentile 21.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-18 |