CVE-2026-91109

The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.31 via the 'completegroup' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with...

CVE-2026-91109 Simply Schedule Appointments <= 1.6.12.31 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Disclosure via 'complete_group' Parameter

The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.31 via the 'completegroup' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with...

CVE-2026-91109

The Simply Schedule Appointments plugin for WordPress is vulnerable to an Insecure Direct Object Reference (IDOR) in versions up to and including 1.6.12.31 . The root cause is a lack of validation on a user-controlled key within the 'complete_group' parameter. Authenticated attackers with subscri...

CVE-2026-91109 Simply Schedule Appointments <= 1.6.12.31 - Insecure Direct Object Reference to Authenticated (Subscriber+) Sensitive Information Disclosure via 'complete_group' Parameter

The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.31 via the 'completegroup' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with...

EUVD-2026-90466

The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.31 via the 'completegroup' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with...

CVE-2026-91109: Authorization Bypass Through User-Controlled Key

The Simply Schedule Appointments plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.31 via the 'completegroup' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with...