CVE-2022-27926

synacor zimbra collaboration suite

Published 21 Apr 2022 · updated 17 Jun 2026 · Analyzed

6.1 Medium · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Apr 2023, with a remediation deadline of 24 Apr 2023 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

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.

References

wiki.zimbra.com/wiki/Security_Center · Vendor Advisory
wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 · Release Notes, Vendor Advisory
wiki.zimbra.com/wiki/Zimbra_Security_Advisories · Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27926 · US Government Resource