CVE-2021-42335: Huaju Easytest Online Learning Test Platform

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

Easytest bulletin board management function of online learning platform does not filter special characters. After obtaining a user’s privilege, remote attackers can inject JavaScript and execute stored XSS attack.

Affected products

  • Huaju Easytest Online Learning Test Platform: version 1705 only

Published 2021-10-15. Last modified 2026-06-17.