SourceCodester Online Covid Vaccination Scheduler System Cross-Site Scripting Vulnerability

SourceCodester Online Covid Vaccination Scheduler System is an application from SourceCodester, Inc. Sourcecodester Online Covid Vaccine Scheduler System v1 is vulnerable to a cross-site scripting vulnerability caused by a lack of escaping or filtering of user data in the lid parameter of the software, which could be exploited by an attacker to execute arbitrary code via the lid parameter of /scheduler/addSchedule.php. The vulnerability can be exploited to execute arbitrary code via the lid parameter of /scheduler/addSchedule.php.