← CVE catalog

CVE-2023-34192

Critical CVSS 9 Known exploited

Published 2023-07-06 · last changed 2026-06-17 · added to CISA KEV 2025-02-25

This one is being exploited in the wild.

CISA added CVE-2023-34192 to the Known Exploited Vulnerabilities catalog on 2025-02-25. 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-2023-34192, 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

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

Sources

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