CVE-2021-20667: Weseek Growi

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

Stored cross-site scripting vulnerability due to inadequate CSP (Content Security Policy) configuration in GROWI versions v4.2.2 and earlier allows remote authenticated attackers to inject an arbitrary script via a specially crafted content.

Affected products

• Weseek Growi: up to and including 4.2.2

Published 2021-03-10. Last modified 2026-06-17.