Vulnerability · Published Aug 15, 2026 · Assigned by WPScan
CVE-2026-16541Simply Schedule Appointments < 1.6.12.17 - Team Member+ User Email Disclosure via Users and Customers REST Endpoints
Medium 6.5
In plain English
A medium-severity information exposure in Simply Schedule Appointments from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 68.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Simply Schedule Appointments WordPress plugin before 1.6.12.17 does not restrict the user records returned by some of its REST endpoints to those the requester is entitled to see, allowing users with a low-privileged staff role to disclose the names and email addresses of arbitrary registered users.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Simply Schedule Appointments | 0 – before 1.6.12.17 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://wpscan.com/vulnerability/8172f778-5dc5-49e8-9967-81215ac187d7/ exploit, vdb-entry, technical-description