VULNERABILITY INTELLIGENCE

CVE-2021-41464

CVSS score6.1 MEDIUM

EPSS probability0.84%

CISA KEVNot currently listed

Published2021-10-01

Last modified2026-06-17

Description

Cross-site scripting (XSS) vulnerability in concrete/elements/collection_add.php in concrete5-legacy 5.6.4.0 and below allows remote attackers to inject arbitrary web script or HTML via the rel parameter.