October 12, 2021-KB5005538 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2

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CVE-2021-41464

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