6.5
Medium
CVE-2026-15254 The Simply Schedule Appointments WordPress plugin before 1.6.12.11 does not perform a capability check on an…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Simply Schedule Appointments 1.6 | earliest → < 1.6.12.11 | 1.6.12.11 |
Other CVEs of Simply Schedule Appointments
The 4 CVEs of Simply Schedule Appointments →
CVE-2026-16541
The Simply Schedule Appointments WordPress plugin before 1.6.12.17 does not restrict the user records returned by some…
6.5
Medium
CVE-2026-16540
The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment…
7.5
High
CVE-2026-13400
Simply Schedule Appointments is vulnerable to unauthenticated Stored Cross-Site Scripting in all versions up to and…
6.1
Medium