PHPJabbers Event Booking Calendar

User enumeration is found in PHPJabbers Event Booking Calendar v4.0. 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.

SQL injection vulnerability in load-calendar.php in PHPJabbers Event Booking Calendar 2.0 allows remote attackers to execute arbitrary SQL commands via the cid parameter.

A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Event Booking Calendar v4.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

Multiple cross-site request forgery (CSRF) vulnerabilities in PHPJabbers Event Booking Calendar 2.0 allow remote attackers to hijack the authentication of administrators for requests that (1) change the username and password of the administrator via an update action to the AdminOptions controller or conduct cross-site scripting (XSS) attacks via the (2) event_title parameter in a create action to the AdminEvents controller or (3) category_title parameter in a create action to the AdminCategories controller.

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Cross-Site Scripting (XSS) in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key" parameters which allows attackers to execute arbitrary code

PHPJabbers Event Booking Calendar v4.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.