CVE-2021-41463: CONCRETE5-Legacy Project CONCRETE5-Legacy

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in toos/permissions/dialogs/access/entity/types/group_combination.php in concrete5-legacy 5.6.4.0 and below allows remote attackers to inject arbitrary web script or HTML via the cID parameter.

Affected products

• CONCRETE5-Legacy Project CONCRETE5-Legacy: up to and including 5.6.4.0

Published 2021-10-01. Last modified 2026-06-17.