VULNERABILITY INTELLIGENCE

CVE-2023-34192

CVSS score9 CRITICAL

EPSS probability77.27%

CISA KEVKnown exploited vulnerability

Published2023-07-06

Last modified2026-06-17

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

Known Exploited Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Vendor / product: Synacor / Zimbra Collaboration Suite (ZCS)

Description

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.

Weakness classification

nvd@nist.gov: CWE-79
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79

Primary references

cve@mitre.org — Release Notes, Vendor Advisory
cve@mitre.org — Not Applicable
cve@mitre.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Not Applicable
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource