CVE-2026-15254
Medium
Description
The Simply Schedule Appointments WordPress plugin before 1.6.12.11 does not perform a capability check on an administrative appointment-listing shortcode, and its per-user result scoping fails open for non-staff users, allowing users with the Contributor role and above to disclose all customers' appointment records, including names, email addresses, phone numbers and notes, across the whole site.
SeverityMedium
CVSS6.5
Exploit probability—
ProductSimply Schedule Appointments
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- Simply Schedule Appointments1.6.12.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Simply Schedule Appointments | v < 1.6.12.11 | 1.6.12.11 |
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