CVE-2020-21643: Hongcms Project Hongcms

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) vulnerability in HongCMS 3.0 allows attackers to run arbitrary code via the callback parameter to /ajax/myshop.

Affected products

• Hongcms Project Hongcms: version 3.0.0 only

Published 2023-04-28. Last modified 2026-06-17.