WordPress Simply Schedule Appointments plugin < 1.6.12.11 - Contributor+ Sensitive Data Disclosure via Admin Shortcode vulnerability

Contributor+ Sensitive Data Disclosure via Admin Shortcode vulnerability discovered by Meher Sudhakar Abbireddi in WordPress Plugin Simply Schedule Appointments versions 1.6.12.11...

CVE-2026-15254 Simply Schedule Appointments < 1.6.12.11 - Contributor+ Sensitive Data Disclosure via Admin Shortcode

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'...

CVE-2026-15254 Simply Schedule Appointments < 1.6.12.11 - Contributor+ Sensitive Data Disclosure via Admin Shortcode

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'...

CVE-2026-15254

The Simply Schedule Appointments WordPress plugin, in versions prior to 1.6.12.11 , contains a sensitive data disclosure vulnerability. The root cause is a missing capability check on an administrative appointment-listing shortcode, combined with per-user result scoping that fails open for non-st...