An issue was discovered in Zimbra Collaboration (ZCS) 9.0.0 before Patch 43, 10.0.x before 10.0.12, 10.1.x before 10.1.4, and 8.8.15 before Patch 47. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information. This issue arises from insufficient…
Severity
Medium 6.1
Published
14 May 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.0.12, 10.1.4
Sources
NVD
Affected software
Software
Affected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite