CVE-2021-27902: Craft CMS

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Craft CMS before 3.6.0. In some circumstances, a potential XSS vulnerability existed in connection with front-end forms that accepted user uploads.

Affected products

• Craft CMS Craft CMS: before 3.6.0 (fixed in 3.6.0)

Published 2021-06-30. Last modified 2026-06-17.