CVE-2024-27443: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability. 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.
- CISA KEV-listed (remediation due 2025-06-09)
- EPSS 32.9% (97.0% percentile)