CVE-2020-36389: Civicrm

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Affected products

• Civicrm Civicrm: before 5.27.5 (fixed in 5.27.5); before 5.28.1 (fixed in 5.28.1)

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