CVE-2021-36621: Online Covid Vaccination Scheduler System Project Online Covid Vaccination Scheduler System

High severity, CVSS 8.1. EPSS: 2.1% chance of exploitation in the next 30 days.

Sourcecodester Online Covid Vaccination Scheduler System 1.0 is vulnerable to SQL Injection. The username parameter is vulnerable to time-based SQL injection. Upon successful dumping the admin password hash, an attacker can decrypt and obtain the plain-text password. Hence, the attacker could authenticate as Administrator.

Affected products

Published 2021-07-30. Last modified 2026-06-17.