CVE-2021-31650: Online Grading System Project Online Grading System

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

A SQL injection vulnerability in Sourcecodester Online Grading System 1.0 allows remote attackers to execute arbitrary SQL commands via the uname parameter.

Affected products

• Online Grading System Project Online Grading System: version 1.0 only

Published 2022-12-16. Last modified 2026-06-17.