CVE-2023-36135: Phpjabbers Class Scheduling System

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

User enumeration is found in in PHPJabbers Class Scheduling System v1.0. 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 Class Scheduling System: version 1.0 only

Published 2023-08-04. Last modified 2026-06-17.