PHP Jabbers Availability Booking Calendar 5.0 is vulnerable to Incorrect Access Control.
https://www.phpjabbers.com/availability-booking-calendar/
https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4
Source: Mitre, NVD
Published: 2023-08-04
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00351