CVE-2023-36136

PHPJabbers Class Scheduling System 1.0 lacks encryption on the password when editing a user account (update user page) allowing an attacker to capture all user names and passwords in clear text.

CVE-2023-36137

There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Class Scheduling System 1.0.

CVE-2023-36135

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.

CVE-2023-36134

In PHP Jabbers Class Scheduling System 1.0, lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.