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Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Type: advisorySource: CISA Known Exploited VulnerabilitiesKnown exploited24 Oct 2026, 21:21 UTC

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that might allow remote attackers to inject arbitrary web script or HTML. CISA required action: Apply updates per vendor instructi…

Products: Zimbra Collaboration Suite (ZCS)CVEs: CVE-2018-6882

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24 October 2026

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability