CVE-2023-33561: Phpjabbers Time Slots Booking Calendar

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

Improper input validation of password parameter in PHP Jabbers Time Slots Booking Calendar v 3.3 results in insecure passwords.

Affected products

• Phpjabbers Time Slots Booking Calendar: version 3.3 only

Published 2023-08-01. Last modified 2026-06-17.