CISA has issued a critical warning regarding a zero-day cross-site scripting (XSS) vulnerability in Synacor’s Zimbra Collaboration Suite (ZCS), designated as CVE-2025-27915. This vulnerability has been actively exploited in attacks and poses significant risks to organizations using the popular email and collaboration platform. Zimbra Collaboration Suite (ZCS) XSS Flaw The vulnerability exists within the Classic […]
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