UpHeron
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Servers and applications

CVE-2018-18631

mailboxd component in Synacor Zimbra Collaboration Suite 8.6, 8.7 before 8.7.11 Patch 7, and 8.8 before 8.8.10 Patch 2 has Persistent XSS.

Severity
Medium 6.1
Published
29 May 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.7.11, 8.8.9
Exploit chance
1% in the next 30 daysHigher than 62% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite
  • Version 8.8.10
  • Version 8.8.9-p6
  • Version 8.8.9-p4
  • Version 8.8.9-p3
All 17 release lines
  • Version 8.6.0
  • From 8.7.0 before 8.7.11
  • Version 8.7.11
  • Version 8.7.11-p1
  • Version 8.7.11-p2
  • Version 8.7.11-p3
  • Version 8.7.11-p4
  • Version 8.7.11-p5
  • Version 8.7.11-p6
  • From 8.8.0 before 8.8.9
  • Version 8.8.9
  • Version 8.8.9-p1
  • Version 8.8.9-p2
  • Version 8.8.9-p3
  • Version 8.8.9-p4
  • Version 8.8.9-p6
  • Version 8.8.10

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-18631
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-18631