CVE-2016-3410: Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attac...

Security readout for executives and security teams

CVE-2016-3410 is a set of cross-site scripting flaws in Zimbra Collaboration before version 8.7.0. A remote attacker could inject web script or HTML through unspecified vectors. Business risk depends on whether vulnerable Zimbra systems remain in use and exposed to users or the internet. Exposure is most likely for organizations still running Zimbra Collaboration versions earlier than 8.7.0, especially browser-accessible deployments. Current supported Zimbra versions are not shown as affected in the provided source bundle. Treat this as a legacy exposure cleanup item unless vulnerable Zimbra systems are still internet-facing or business-critical. If pre-8.7.0 Zimbra exists, prioritize upgrade because the flaw affects user-facing web content and can support account compromise scenarios. Mitigation focus: Inventory all Zimbra Collaboration deployments and record exact versions.; Upgrade any Zimbra Collaboration instance earlier than 8.7.0.; Review current Zimbra security advisories for supported upgrade guidance..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.