A lack of rate limiting in pjActionAjaxSend in Appointment Scheduler 3.0 allows attackers to cause resource exhaustion.

Appointment Scheduler 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name, plugin_sms_api_key, plugin_sms_country_code, calendar_id, title, country name, or customer_name parameter.

Appointment Scheduler 3.0 is vulnerable to Multiple HTML Injection issues via the SMS API Key or Default Country Code.

Cross-Site Request Forgery (CSRF) vulnerability in Scientech It Solution Appointment Calendar plugin <= 2.9.6 versions.

User enumeration is found in in PHPJabbers Appointment Scheduler 3.0. 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.

There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Appointment Scheduler v3.0

Sourcecodester Doctor Appointment System 1.0 is vulnerable to SQL Injection in the variable $userid at doctors\myDetails.php.

Doctormms v1.0 was discovered to contain a SQL injection vulnerability via the $userid parameter at myAppoinment.php. NOTE: this is disputed by a third party who claims that the userid is a session variable controlled by the server, and thus cannot be used for exploitation. The original reporter counterclaims that this originates from $_SESSION["userid"]=$_POST["userid"] at line 68 in doctors\doctorlogin.php, where userid under POST is not a session variable controlled by the server.

A vulnerability was found in SourceCodester Doctors Appointment System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file login.php. The manipulation of the argument useremail leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-236365 was assigned to this vulnerability.

A vulnerability classified as problematic was found in GZ Scripts PHP GZ Appointment Scheduling Script 1.8. Affected by this vulnerability is an unknown functionality of the file /load.php. The manipulation of the argument first_name/second_name/phone/address_1/country leads to cross site scripting. The attack can be launched remotely. The identifier VDB-233353 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.