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CVE-2022-27926

Medium CVSS 6.1 Known exploited

Published 2022-04-21 · last changed 2026-06-17 · added to CISA KEV 2023-04-03

This one is being exploited in the wild.

CISA added CVE-2022-27926 to the Known Exploited Vulnerabilities catalog on 2023-04-03. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2022-27926, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N