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

When

2025-05-19 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

Zimbra Collaboration contains a cross-site scripting (XSS) vulnerability in the CalendarInvite feature of the Zimbra webmail classic user interface. An attacker can exploit this vulnerability via an email message containing a crafted calendar header, leading to the execution of arbitrary JavaScript code.

Sources

• CISA ↗ · first seen 2025-05-19 00:00 UTC

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