CVE-2026-16540
High
Description
The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSimply Schedule Appointments
PublishedAug 2, 2026
First seenAug 2, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- Simply Schedule Appointments1.6.12.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Simply Schedule Appointments | v < 1.6.12.6 | 1.6.12.6 |
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