CVE-2021-22847: Hyweb Hycms-j1

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

Hyweb HyCMS-J1's API fail to filter POST request parameters. Remote attackers can inject SQL syntax and execute commands without privilege.

Affected products

• Hyweb Hycms-j1: up to and including 7.4.3

Published 2021-01-22. Last modified 2026-06-17.