CVE-2023-34192

9.0 CRITICAL CISA KEV - Actively Exploited

Published: July 06, 2023 Modified: October 27, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://wiki.zimbra.com/wiki/Security_Center

Source: cve@mitre.org

Release Notes Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Source: cve@mitre.org

Not Applicable

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: cve@mitre.org

Vendor Advisory

https://wiki.zimbra.com/wiki/Security_Center

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Source: af854a3a-2127-422b-91ae-364da2661108

Not Applicable

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34192

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.0 / 10.0

EPSS (Exploit Probability)

89.2%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2025-03-18

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

synacor

Related CVEs