Portlandlabs Concrete5 Cross-Site Scripting Vulnerability (CNVD-2021-94044)

Portlandlabs Concrete5 is an open source content management system CMS from PortlandLabs, Inc. A cross-site scripting vulnerability exists in Portlandlabs Concrete5 crete5-legacy 5.6.4.0 and prior versions, which can be exploited by remote attackers to "rel" parameter to inject arbitrary web scri...