Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-34192

CVE-2023-34192CRITICAL

n/a n/a — Synacor Zimbra Collaboration Suite (ZCS)

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   R  C  H  H  H    9.0   .7727   99.5   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  May 30  Reserved by mitre
  Jul 6   Published (CNA: mitre)
  Feb 25  Added to CISA KEV, remediation due 2025-03-18

CWE-79 · CNA: mitre · CVSS v3.1 · 4 references · KEV due March 18, 2025

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 30, 2023	Reserved	Reserved by mitre
July 6, 2023	Published	Published (CNA: mitre)
February 25, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-03-18

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-79

References (4)

Authoritative record: CVE-2023-34192 at cve.org

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-34192 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.