EPSS
Percentile
50.6%
Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group.
blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/
wiki.zimbra.com/wiki/Security_Center
wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4
wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4
wiki.zimbra.com/wiki/Zimbra_Security_Advisories