CVE-2021-34815: Checksec Canopy

Medium severity, CVSS 4.8. EPSS: 0.8% chance of exploitation in the next 30 days.

CheckSec Canopy before 3.5.2 allows XSS attacks against the login page via the LOGIN_PAGE_DISCLAIMER parameter.

Affected products

• Checksec Canopy: before 3.5.2 (fixed in 3.5.2)

Published 2021-06-18. Last modified 2026-06-17.