Understanding the Zimbra Cross-Site Scripting Flaw (CVE-2023-37580)
On November 16, 2023, Google’s Threat Analysis Group revealed an alarming vulnerability in Zimbra Collaboration—a reflected cross-site scripting (XSS) vulnerability assigned CVE-2023-37580. The Zimbra Collaboration Suite (ZCS) is a software platform that combines email, calendar, contacts, file sharing, and other collaboration tools into a single integrated package. The CVE-2023-37580 allows an attacker to inject a malicious script directly into the URL parameter.