Synacor (Zimbra Collaboration Suite (ZCS)) Data Breach

Synacor (Zimbra Collaboration Suite (ZCS)) experienced a data breach that was reported on May 19, 2025. 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 e

Key Facts

Organization
Synacor (Zimbra Collaboration Suite (ZCS))
Date Reported
May 19, 2025
Incident Type
web app exploit
Industry
Technology
Severity Score
5/10
Confidence Level
high
Tags
web app exploit

Source

View original source - External link to primary source documentation

Understanding web app exploit Incidents

Web application exploits target vulnerabilities in websites and APIs. Secure development practices, WAFs, and penetration testing protect against these attacks.