CVE-2024-27443 Synacor Zimbra Collaboration Suite (ZCS)
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.
- CVSS
- not scored
On CISA’s exploited list
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
- Added
- 2025-05-19
- Federal patch deadline
- 2025-06-09
- Ransomware use
- not known