Details
- Type
- Broken Access Control
- Impact
- Information Disclosure, Data Tampering
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Published
- 16 September 2026
- Updated
- 15 October 2026
- Weakness
- CWE-639
Vendor fix
Update to the latest version beyond 28.1.
Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-89063
- https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.1/frontend/modules/ai/Ajax.php#L212
- https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.1/frontend/modules/ai/Ajax.php#L215
- https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.1/frontend/modules/ai/Ajax.php#L38
- https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.1/frontend/modules/ai/Ajax.php#L60
- https://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/tags/28.1/lib/base/Component.php#L67
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b6af015f-f954-4afb-9d65-56176f73672f?source=cve
- https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/bookly-responsive-appointment-booking-tool/online-scheduling-and-appointment-booking-system-281-insecure-direct-object-reference-to-unauthenticated-sensitive-data-access-and-message-injection-via-conversation-id-parameter
- https://www.cve.org/CVERecord?id=CVE-2026-89063