High severity8.1NVD Advisory· Published Jul 30, 2021· Updated Jun 17, 2026
CVE-2021-36621
CVE-2021-36621
Description
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.
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Affected products
2- Sourcecodester/Online Covid Vaccination Scheduler Systemdescription
- Range: = 1.0
Patches
Vulnerability mechanics
References
3- packetstormsecurity.com/files/164324/Covid-Vaccination-Scheduler-System-1.0-SQL-Injection-Cross-Site-Scripting.htmlnvdExploitThird Party AdvisoryVDB Entry
- github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-18-09-2821nvdExploitThird Party Advisory
- www.exploit-db.com/exploits/50109nvdExploitThird Party AdvisoryVDB Entry
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