An issue was discovered in Zimbra Collaboration (ZCS) through 10.0. Zimbra Webmail (Modern UI) is vulnerable to a stored Cross-Site Scripting (XSS) attack due to improper sanitization of user input. This allows an attacker to inject malicious code into specific fields of an e-mail message. When the victim adds the attacker to their contacts, the malicious code is stored and executed when viewing…
Severity
Medium 5.4
Published
20 Nov 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
9.0.0, 10.0.9
Sources
NVD
Affected software
Software
Affected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite