CVE-2023-40766: Phpjabbers Ticket Support Script

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

User enumeration is found in in PHPJabbers Ticket Support Script v3.2. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.

Affected products

  • Phpjabbers Ticket Support Script: version 3.2 only

Published 2023-08-28. Last modified 2026-06-17.