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.
CVE-2018-10939
MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence
Score 6.1 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EPSS
- 69.9%
- KEV
- Not listed
Published
May 30, 2018
Last Modified
November 21, 2024
References (10)
- cve@mitrehttps://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/
- cve@mitrehttps://wiki.zimbra.com/wiki/Security_Center
- cve@mitrehttps://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4
- cve@mitrehttps://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4
- cve@mitrehttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- af854a3a-2127-422b-91ae-364da2661108https://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/
- af854a3a-2127-422b-91ae-364da2661108https://wiki.zimbra.com/wiki/Security_Center
- af854a3a-2127-422b-91ae-364da2661108https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4
- af854a3a-2127-422b-91ae-364da2661108https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4
- af854a3a-2127-422b-91ae-364da2661108https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
Frequently asked(5)
What is CVE-2018-10939?
CVE-2018-10939 is a medium vulnerability published on May 30, 2018. 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.
When was CVE-2018-10939 disclosed?
CVE-2018-10939 was first published in the National Vulnerability Database on May 30, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-10939 actively exploited?
CVE-2018-10939 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-10939?
CVE-2018-10939 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2018-10939?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-10939, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-10939
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