Home/CVE/Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persisten
CVE

CVE-2018-10939

Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persisten

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.

MEDIUM · CVSS 6.1 EPSS 0.01593
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
synacor zimbra collaboration suite>= 8.7.0 and <= 8.7.11
synacor zimbra collaboration suite>= 8.8.0 and <= 8.8.8
synacor zimbra collaboration suiteall versions
zimbra collaboration suiteall versions
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 May 2018 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/PatchVendor Advisory
https://wiki.zimbra.com/wiki/Security_CenterPatchVendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4PatchRelease NotesVendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4PatchRelease NotesVendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesPatchVendor Advisory
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