An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. XSS can occur, via one of attributes of the webmail /h/ endpoint, to execute arbitrary JavaScript code, leading to information disclosure.
Severity
Medium 6.1
Published
15 Jun 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD
Affected software
Software
Affected versions
Zimbra CollaborationServers and applications · cpe:a:zimbra:collaboration