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Servers and applications

CVE-2022-27926

A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request parameters.

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 3 Apr 2023.

Severity
Medium 6.1
Published
21 Apr 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite
  • Version 9.0.0-p23
  • Version 9.0.0-p22
  • Version 9.0.0-p21
  • Version 9.0.0-p20
All 24 release lines
  • Version 9.0.0
  • Version 9.0.0-p1
  • Version 9.0.0-p2
  • Version 9.0.0-p3
  • Version 9.0.0-p4
  • Version 9.0.0-p5
  • Version 9.0.0-p6
  • Version 9.0.0-p7
  • Version 9.0.0-p8
  • Version 9.0.0-p9
  • Version 9.0.0-p10
  • Version 9.0.0-p11
  • Version 9.0.0-p12
  • Version 9.0.0-p13
  • Version 9.0.0-p14
  • Version 9.0.0-p15
  • Version 9.0.0-p16
  • Version 9.0.0-p17
  • Version 9.0.0-p18
  • Version 9.0.0-p19
  • Version 9.0.0-p20
  • Version 9.0.0-p21
  • Version 9.0.0-p22
  • Version 9.0.0-p23

Known exploited

CISA name
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
24 Apr 2023
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-27926
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-27926